Table of Contents

Advertisement

(English)
ROAD
City Touring/
Comfort Bike
ULTEGRA
SW-R9150
SW-R9160
SW-R610
ST-R8050
ST-R8060
ST-R8070
FD-R8050
RD-R8050
BR-R8070
SM-EW90-A
SM-EW90-B
EW-RS910
EW-WU111
EW-SD50
EW-SD50-I
EW-JC130
URBAN SPORT
R8050 series
SM-EWC2
SM-JC40
SM-JC41
SM-BTR1
BT-DN110
BM-DN100
SM-BA01
SM-BCR1
SM-BCR2
SM-BCC1
SM-RT800
Dealer's Manual
MTB
DM-R8050-02
Trekking
E-BIKE

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Ultegra R8050 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Shimano Ultegra R8050 Series

  • Page 1 (English) DM-R8050-02 Dealer's Manual ROAD Trekking City Touring/ URBAN SPORT E-BIKE Comfort Bike R8050 series ULTEGRA SW-R9150 SM-EWC2 SW-R9160 SM-JC40 SW-R610 SM-JC41 ST-R8050 SM-BTR1 ST-R8060 BT-DN110 ST-R8070 BM-DN100 FD-R8050 SM-BA01 RD-R8050 SM-BCR1 SM-BCR2 BR-R8070 SM-BCC1 SM-EW90-A SM-RT800 SM-EW90-B EW-RS910 EW-WU111 EW-SD50 EW-SD50-I EW-JC130...
  • Page 2: Table Of Contents

    INSTALLATION ..................... 22 Electric wire wiring diagram (overall conceptual diagram) ..............22 Electric wire wiring diagram (junction A side) ..................25 Using the Shimano original tool TL-EW02 ....................33 Installation of the dual control lever and brake cable ................34 Installation of the front derailleur ......................39 Installation of the rear derailleur ......................44...
  • Page 3: Table Of Contents

    Installation of the brake hose ........................72 Installation of the brake hose (easy hose joint system) ................78 Installation to the handlebar ........................90 Adding Shimano genuine mineral oil and bleeding air ................91 Installing the brake caliper ........................100 Temporary tightening of the frame fixing bolts ..................108 CONNECTION OF ELECTRIC WIRES ..............
  • Page 4: Table Of Contents

    Assembly of the switch unit ........................161 Assembly of the bracket body and lever body ..................163 Replacement of the pulley ........................164 Replacement of the plate and the plate tension spring ................165 Replacing the brake pads ........................167 Shimano genuine mineral oil replacement ....................168...
  • Page 5: Important Notice

    • Please observe the appropriate rules and regulations of the country, state or region in which you conduct your business as a dealer. • The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by SHIMANO INC. is under ®...
  • Page 6: To Ensure Safety

    TO ENSURE SAFETY TO ENSURE SAFETY DANGER Be sure to also inform users of the following: „Lithium ion battery Be sure to observe the following instructions in order to avoid burns or other injury from fluid leakage, overheating, fire, or explosion. •...
  • Page 7 • Be sure to follow the instructions provided in the manuals when installing the product. It is recommended to use genuine Shimano parts only. If parts such as bolts and nuts become loose or damaged, the bicycle may suddenly fall over, which may cause serious injury.
  • Page 8 TO ENSURE SAFETY „About the multi-shift function • On this system, the multi-shift function can be configured using E-TUBE PROJECT. The gears will continue to shift when the shifting switch is pressed using the multi-shift function. Shifting speed setting for multi-shift can also be modified. When modifying the gear changing settings for multi-shift, carefully read "Settings customizable in E-TUBE PROJECT"...
  • Page 9 TO ENSURE SAFETY „Lithium ion battery • Do not place the battery into fresh water or sea water, and do not allow the battery terminals to get wet. If this is not observed, fire, bursting or overheating may occur. • Do not use the battery if it has any noticeable scratches or other external damage. If this is not observed, bursting, overheating or problems with operation may occur.
  • Page 10 TO ENSURE SAFETY „Brake • Each bicycle may handle slightly differently depending on the model. Therefore, be sure to learn the proper braking technique (including brake lever pressure and bicycle control characteristics) and operation of your bicycle. Improper use of your bicycle's brake system may result in a loss of control or a fall, which could lead to severe injury.
  • Page 11 • Check that the brake components have cooled down sufficiently before attempting to adjust the brakes. • Use only Shimano genuine mineral oil. If other types of oil are used, it may cause problems with brake operation, and cause the system to be unuseable.
  • Page 12 „Brake hose • After installing the brake hose to the brake unit, adding Shimano genuine mineral oil and bleeding air bubbles, depress the lever again several times to check that the brakes are operating normally and there are no fluid leaks from the hose or the system.
  • Page 13 • Contact with skin may cause a rash and discomfort. In the event of contact with skin, wash well with soap and water. • Inhalation of Shimano genuine mineral oil mist or vapors may cause nausea. Cover nose and mouth with a respirator type mask and use in a well ventilated area.
  • Page 14 For products that have magnets attached, make sure to install the product, using the attached magnet, in the location that is specified. • Contact the place of purchase for updates of the component software. The most up-to-date information is available on the Shimano website.
  • Page 15 Disposal information for countries outside the European Union This symbol is only valid within the European Union. Contact the place of purchase or your nearest Shimano agent for advice on disposing. • Charge the battery indoors to avoid exposure to rain or wind.
  • Page 16 • When cleaning the product, use a cloth moistened with a diluted neutral detergent. • Contact the place of purchase for updates of the component software. The most up-to-date information is available on the Shimano website. For Installation to the Bicycle, and Maintenance: •...
  • Page 17 TO ENSURE SAFETY „Electric wires/Electric wire covers • Secure the electric wires with a zip tie so that they do not interfere with the chainrings, sprockets or tires. • The strength of the adhesive is fairly weak to prevent the paint on the frame from being peeled off at when removing the electric wire cover, such as when replacing the electric wires.
  • Page 18 • Disconnect Bluetooth LE when not using E-TUBE PROJECT for smartphones/tablets. Using the wireless unit without disconnecting Bluetooth LE may result in high battery power consumption. About compatibility with E-TUBE • For details on the compatibility and functional limitations of units, refer to the following website. (http://e-tubeproject.shimano.com/guide/#guide_list)
  • Page 19 LIST OF TOOLS TO BE USED...
  • Page 20: List Of Tools To Be Used

    2.5 mm hexagon wrench Hexalobular[#5] Handlebar tape cutout tool 3 mm hexagon wrench Hexalobular[#10] TL−CT12 4 mm hexagon wrench Snap ring pliers Shimano original tool TL-EW02 5 mm hexagon wrench Special E-ring removal tool 23 mm hub spanner Plastic mallet...
  • Page 21 INSTALLATION...
  • Page 22: Installation

    INSTALLATION Electric wire wiring diagram (overall conceptual diagram) INSTALLATION „ Electric wire wiring diagram (overall conceptual diagram) Lithium ion battery (external type) SM-BTR1 External type (SM-JC40) SM-EW90-A/B Battery mount SM-BMR2/ BM-DN100 Lithium ion battery (external type) SM-BTR1 Junction A SM-EW90-A/B Electric wire EW-SD50 Junction B SM-JC40 EW-JC130...
  • Page 23 INSTALLATION Electric wire wiring diagram (overall conceptual diagram) Built-in type (SM-JC41) SM-EW90-A/B Battery mount SM-BMR2/ BM-DN100 Lithium ion battery (external type) SM-BTR1 Junction A SM-EW90-A/B Electric wire EW-SD50-I Junction B SM-JC41 EW-JC130 EW-RS910 (Built-in bar end type) EW-WU111 EW-RS910 (Built-in frame type) TECH TIPS •...
  • Page 24 INSTALLATION Electric wire wiring diagram (overall conceptual diagram) Built-in battery type SM-BTR2/BT-DN110 Built-in type (SM-JC41) SM-EW90-A/B Lithium ion battery (built-in type) SM-BTR2/BT-DN110 Junction A SM-EW90-A/B Electric wire EW-SD50-I Junction B SM-JC41 EW-JC130 EW-RS910 (Built-in bar end type) EW-WU111 EW-RS910 (Built-in frame type) TECH TIPS •...
  • Page 25: Electric Wire Wiring Diagram (Junction A Side)

    INSTALLATION Electric wire wiring diagram (junction A side) „ Electric wire wiring diagram (junction A side) SM-EW90-A (3 port type) Drop handlebar type SM-EW90-A E-TUBE connector ST-R8050/ ST-R8050/ ST-R8070 (L) ST-R8070 (R) Connector for remote sprinter shifter Option E-TUBE port ×2 Port for remote sprinter shifter (ST-R8070 does not have this port.)
  • Page 26 INSTALLATION Electric wire wiring diagram (junction A side) Clip-on bar type SM-EW90-A E-TUBE connector SW-R9160 (L) SW-R9160 (R) Connector for remote sprinter shifter ST-R8050/ ST-R8050/ Option ST-R8070 (L) ST-R8070 (R) Port for remote sprinter shifter (ST-R8070 does not have this port.) E-TUBE port ×2 Junction A...
  • Page 27 INSTALLATION Electric wire wiring diagram (junction A side) SM-EW90-B (5 port type) Clip-on bar type SM-EW90-B E-TUBE connector SW-R9160 (L) SW-R9160 (R) Connector for remote sprinter shifter Option ST-R8050/ ST-R8050/ ST-R8070 (R) ST-R8070 (L) Port for remote sprinter shifter (ST-R8070 does not have this port.) E-TUBE port ×2 Junction A...
  • Page 28 INSTALLATION Electric wire wiring diagram (junction A side) Time trial/triathlon handle type SM-EW90-B E-TUBE connector SW-R9160 (L) SW-R9160 (R) Connector for remote sprinter shifter Option ST-R8060 (L) ST-R8060 (R) Junction A Junction B E-TUBE port ×5 SM-EW90-B SM-JC40/41...
  • Page 29 INSTALLATION Electric wire wiring diagram (junction A side) EW-RS910 (Built-in bar end type) Drop handlebar type EW-RS910 E-TUBE connector ST-R8050/ ST-R8050/ ST-R8070 (L) ST-R8070 (R) At least 40 mm To frame (Junction B) Port for remote sprinter shifter (ST-R8070 does not have this port.) E-TUBE port ×2 SW-R9150 (L) SW-R9150 (R)
  • Page 30 INSTALLATION Electric wire wiring diagram (junction A side) EW-RS910 (Built-in frame type) Drop handlebar type EW-RS910 E-TUBE connector ST-R8050/ ST-R8050/ ST-R8070 (L) ST-R8070 (R) To frame (EW-RS910) Port for remote sprinter shifter (ST-R8070 does not have this port.) E-TUBE port ×2 Wireless unit SW-R9150 (L) SW-R9150 (R) EW-JC130...
  • Page 31 INSTALLATION Electric wire wiring diagram (junction A side) Clip-on bar type EW-RS910 E-TUBE connector SW-R9160 (L) SW-R9160 (R) ST-R8050/ ST-R8050/ ST-R8070 (L) ST-R8070 (R) To frame (EW-RS910) Port for remote sprinter shifter (ST-R8070 does not have this port.) E-TUBE port ×2 Wireless unit EW-JC130 EW-WU111...
  • Page 32 INSTALLATION Electric wire wiring diagram (junction A side) Time trial/triathlon handle type EW-RS910 E-TUBE connector SW-R9160 (L) SW-R9160 (R) To frame (EW-RS910) ST-R8060 (L) ST-R8060 (R) Wireless unit SM-JC41 EW-JC130 EW-WU111...
  • Page 33: Using The Shimano Original Tool Tl-Ew02

    INSTALLATION Using the Shimano original tool TL-EW02 „ Using the Shimano original tool TL-EW02 Set so that the projection on the Shimano original tool TL-EW02 connector is aligned with the groove on the narrow end. NOTE Use the Shimano original tool when connecting/disconnecting the electric wires.
  • Page 34: Installation Of The Dual Control Lever And Brake Cable

    INSTALLATION Installation of the dual control lever and brake cable „ Installation of the dual control lever and brake cable WARNING • Do not apply grease or other lubricants to the inner cable. • Be sure to wipe off with a cloth any grease that adheres to the inner fixing section. After wiping off the grease, pass the inner cable through the outer casing.
  • Page 35 INSTALLATION Installation of the dual control lever and brake cable ST-R8050 Turn over the bracket cover from the Clamp bolt back side. NOTE Gently turn over the ends of the bracket cover with both hands and slowly push Forcibly pulling it may cause damage to the them down.
  • Page 36 INSTALLATION Installation of the dual control lever and brake cable Depress the lever as if to brake and pass Inner end the brake cable through. Outer casing Cable hook NOTE Make sure that the inner end is firmly set in the cable hook.
  • Page 37 INSTALLATION Installation of the dual control lever and brake cable ST-R8060 Route the outer casing and electric wire through the handlebar. When installing the lever, adjust the length of the outer casing so that it can fit securely into the outer casing holder. Connect the electric wire to the Connector (female) connector (female) extending from the...
  • Page 38 INSTALLATION Installation of the dual control lever and brake cable Pass the inner cable through. Outer casing Inner cable Outer casing holder NOTE Inner end Make sure that the inner end is firmly set in the cable hook. Inner end Cable hook...
  • Page 39: Installation Of The Front Derailleur

    INSTALLATION Installation of the front derailleur „ Installation of the front derailleur Check if the frame to which the front derailleur will be installed is a direct mount type or band type. Installation of the front derailleur (direct mount type frame) NOTE •...
  • Page 40 INSTALLATION Installation of the front derailleur Attach the backup plate where the Backup plate support bolt touches the seat tube. Mounting washer Fixing bolt After that install the front derailleur to the frame. Tightening torque 5 - 7 N·m TECH TIPS •...
  • Page 41 INSTALLATION Installation of the front derailleur Use a 5 mm hexagon wrench to secure Chain guide the chain guide outer plate so that the Front chainwheel flat part of the plate is directly above the (largest chainring) largest chainring and so that the rear edge of the chain guide is within 0.5 –...
  • Page 42 INSTALLATION Installation of the front derailleur When installing the front derailleur using a clamp band (SM-AD91) Install the clamp band to the front Clamp band derailleur. Support bolt 2 mm hexagon wrench Depending on the frame, mount a band Band adapter (for Ø28.6) adapter to the clamp band.
  • Page 43 INSTALLATION Installation of the front derailleur Use a 5 mm hexagon wrench to secure Chain guide the chain guide outer plate so that the Front chainwheel flat part of the plate is directly above the (largest chainring) largest chainring and so that the rear edge of the chain guide is within 0.5 –...
  • Page 44: Installation Of The Rear Derailleur

    INSTALLATION Installation of the rear derailleur „ Installation of the rear derailleur Install the rear derailleur to the frame. Fork end tab Pulley cage 5 mm hexagon wrench Tightening torque 8 - 10 N·m NOTE Periodically check that there is no gap between the fork end and the bracket as shown in the illustration.
  • Page 45: Direct Mount Type

    INSTALLATION Direct mount type „ Direct mount type Replacing with direct mount type Remove the bracket axle.
  • Page 46: Installing The Shifting Switch

    INSTALLATION Installing the shifting switch „ Installing the shifting switch SW-R610 (Sprinter switch) Routing map ST-R8050 (R) ST-R8050 (L) SW-R610 Installation Use a utility knife or similar tool to cut Utility knife the handlebar tape to the length shown Handlebar tape cutout tool in the illustration.
  • Page 47 INSTALLATION Installing the shifting switch Make guide marks on the handlebars at Double-sided tape the switch installation positions, and secure the switches with double-sided tape. Align the hole in the handlebar tape which was cut with the switch. NOTE Wind on the handlebar tape. In order to protect the cable, use handlebar At this time, be sure to overlap the tape tape to secure the cable.
  • Page 48 INSTALLATION Installing the shifting switch SW-R9150 Routing map ST-R8050/ST-R8070 (L) ST-R8050/ST-R8070 (R) SW-R9150 (L) SW-R9150 (R) Installation Check the markings (R or L) on the shifting switch and adapter, and then attach the shifting Markings (R: for right, L: for left) switch to the adapter.
  • Page 49 INSTALLATION Installing the shifting switch Pass zip ties through the adapter and Zip tie shifting switch as shown in the illustration. TECH TIPS • Make sure that the zip tie passes through the hole in the shifting switch as shown in the illustration.
  • Page 50 INSTALLATION Installing the shifting switch Cut off any excess zip tie with a pair of Zip tie nippers or similar. Rotate the zip tie until the square head on the zip tie fits into the notch in the adapter.
  • Page 51 INSTALLATION Installing the shifting switch SW-R9160 (Shifting switch for aero bar) Routing map SM-EW90-A/B Junction A SW-R9160 ST-R8050/ST-R8070 EW-JC130 EW-RS910...
  • Page 52 INSTALLATION Installing the shifting switch Installation Connect the electric wire to the shifting Shifting switch switch. Check the marking (R or L) on the Aero bar shifting switch and insert it into the end Shifting switch of the aero bar. Markings (R: for right, L: for left) TECH TIPS Note that one shifting switch is designed for...
  • Page 53 This varies depending on the combination of the dual control lever and the gear-shifting switch. For details, refer to the electric wire wiring diagram (junction A). • For waterproof purposes, use Shimano original tool TL-EW02 on unused ports and install dummy plugs.
  • Page 54: Installation Of Junction A (Sm-Ew90-A/B)

    INSTALLATION Installation of junction A (SM-EW90-A/B) „ Installation of junction A (SM-EW90-A/B) Attach to the stem using the band and Band hook included with SM-EW90. Stem Hook Adjust the length of the band according to the thickness of the stem. Hook the band on the hook and wind it around the stem.
  • Page 55: Installation Of Junction A (Ew-Rs910)

    INSTALLATION Installation of junction A (EW-RS910) „ Installation of junction A (EW-RS910) Built-in bar end type If installing a built-in bar end type junction A, make sure to use a compatible handlebar. Route the electric wires through the hole Handlebar in the handlebar as shown in the Electric wire illustration.
  • Page 56 INSTALLATION Installation of junction A (EW-RS910) Remove the release back sheet from the handle holders, and then install them to the Handle holder handlebar. TECH TIPS • There are two handle holders which differ in shape. Attach [1] fi rst and then [2]. •...
  • Page 57 INSTALLATION Installation of junction A (EW-RS910) Cut the end of the handlebar tape diagonally and wrap it over the handle holders as shown Handle holder in the illustrations. Handlebar tape Insert the end cap into the handlebar End cap end not fitted with junction A. Handlebar Attach the handle holders following the End cap...
  • Page 58 INSTALLATION Installation of junction A (EW-RS910) Secure the dummy wires to the Dummy wires handlebar using tape or a similar Tape material. TECH TIPS What are dummy wires? Dummy wires are attached to ensure that both the handlebar end fitted with junction A and the opposing handlebar end are of the same thickness when wrapped so that discomfort is not caused to the rider when...
  • Page 59 INSTALLATION Installation of junction A (EW-RS910) Built-in frame type If installing a built-in frame type junction A, make sure to use a compatible frame. Pull out the electric wires through the Electric wire hole in the frame as shown in the Frame illustration.
  • Page 60: Installation Of Junction B

    INSTALLATION Installation of junction B „ Installation of junction B Remove the wire guide from the frame, Wire guide if attached. 3 mm hexagon wrench Finished image Attach junction B using the wire guide Junction B mounting hole.
  • Page 61: Points To Check Before Attaching The Wireless Unit (Ew-Wu111)

    INSTALLATION Points to check before attaching the wireless unit (EW-WU111) „ Points to check before attaching the wireless unit (EW-WU111) Before installing components, please take note of the following. Compatible cycle computers A D-FLY compatible cycle computer is required to use EW-WU111. TECH TIPS For details, refer to the manual for the cycle computer.
  • Page 62: Attaching The Wireless Unit (Ew-Wu111)

    INSTALLATION Attaching the wireless unit (EW-WU111) „ Attaching the wireless unit (EW-WU111) Routing map EW-WU111 EW-JC130 EW-RS910 Connect the electric wires to the wireless unit. Electric wire Wireless unit (EW-WU111) NOTE Do not position the unit on the side of the bicycle frame, as in the illustrations.
  • Page 63 INSTALLATION Attaching the wireless unit (EW-WU111) How to make connections ANT connection To make a connection, the cycle computer needs to be in connection mode. For information on how to put the cycle computer into connection mode, refer to the manual for the cycle computer. Put the cycle computer into connection mode.
  • Page 64 INSTALLATION Attaching the wireless unit (EW-WU111) Bluetooth LE connection ® Before setting up a connection, turn on Bluetooth LE on the smartphone/tablet. Open E-TUBE PROJECT and set it to listen for Bluetooth LE signals. • Setting up via the system information display Press the mode switch on the system information display until "C"...
  • Page 65: Installing The Battery

    INSTALLATION Installing the battery „ Installing the battery In the case of an external battery (battery: SM-BTR1 battery mount: SM-BMR1/2, BM-DN100) Installing the battery mount Set the battery mount into position. Use the bottle cage fixing bolt to temporarily install the battery mount onto the bottom of the bottle cage.
  • Page 66 INSTALLATION Installing the battery Tighten the bolt of the bottle cage to Zip tie secure the battery mount. For the long type, use the accessory zip TECH TIPS tie to secure the battery mount to the frame. If there is a mounting boss on the frame If there is a mounting boss on the frame, the battery mount can be secured to the frame with a bolt.
  • Page 67 INSTALLATION Installing the battery Installation of the electric wire covers Set the electric wire for the battery mount into the groove in the electric wire cover for the battery mount. Place the accessory spacers in between Spacer the battery mount and the frame and then secure them by tightening the bolts.
  • Page 68 INSTALLATION Installing the battery Installation of the bottle cage adapter If the bottle cage which is installed to the seat tube interferes with the battery, move the position 15 mm of the bottle cage upward. 10 mm The installation position for the bottle cage can be moved upward by a minimum of 32 mm and a maximum of 50 mm from the original installation position.
  • Page 69 INSTALLATION Installing the battery Built-in battery (SM-BTR2/BT-DN110) Installing the battery Insert the seat post collar into the seat Seat post post. Seat post collar TECH TIPS • Depending on the type of frame, the way the lithium ion battery (built-in type) is installed may differ.
  • Page 70: Brake System

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM ST-R8070 BR-R8070 SM-RT800...
  • Page 71: Installation Of Hydraulic Disc Brake System

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM List of tools to be used when installing hydraulic disc brake system INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM This section covers details relating to the installation of the hydraulic disc brake system only. For details on the connection and adjustment of electric wires, refer to the relevant sections. „...
  • Page 72: Installation Of The Disc Brake Rotor

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the disc brake rotor „ Installation of the disc brake rotor Center lock type Disc brake rotor fixing lock ring Lock ring tightening tool Tightening torque 40 - 50 N·m Internally serrated type Disc brake rotor fixing lock ring TL-LR15...
  • Page 73 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose Put a mark on the brake hose beforehand as shown in the illustration so that you can check if the ends of the brake hose are secured to the hose mounts of the brake caliper and the dual control lever.
  • Page 74 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose Use a tapered tool to smooth out the Brake hose inside of the cut end of the brake hose, Olive and mount the connector insert. Connector insert TL-BH61 Connect the brake hose to TL-BH61 and (A) (C) secure TL-BH61 in a vise, as shown in the Vise...
  • Page 75 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose Make sure that the brake hose is not twisted. Left lever Right lever Make sure that the brake calipers and dual control levers are in the positions shown in the illustrations.
  • Page 76 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose ST-R8070 Secure the dual control lever to the Connecting bolt handlebar or in a vise and insert the (For ST-R8070 use a flanged brake hose straight. connecting bolt) Tighten the flanged connecting bolt Tightening torque with a spanner while pushing the brake hose.
  • Page 77 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose End of the brake hose on the brake caliper side Attach the connector insert to the brake hose. Brake hose Connecting bolt After that, while pushing the brake hose, tighten the connecting bolt. Olive Connector insert Tightening torque...
  • Page 78: Installation Of The Brake Hose (Easy Hose Joint System)

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) „ Installation of the brake hose (easy hose joint system) This section covers procedures for cutting and adjusting the lengths of easy hose joint system brake hoses. If length adjustment of a brake hose is not necessary, it is not necessary to follow procedures relating to cutting the brake hose.
  • Page 79 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Secure the dual control levers in the installation positions to be used when riding. TECH TIPS Check the appropriate length for each brake hose by running the brake hose along the handlebar as in the following illustration.
  • Page 80 At that time, be careful not to damage the handlebar and other parts. Handlebar Prepare the Shimano original tool TL-BH62 for cutting the brake hose as follows. Body of tool Hose cutter Disassemble the Shimano original tool TL-BH62 as shown in the illustrations.
  • Page 81 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) NOTE Insert the brake hose into the tool as shown in the illustration. When inserting the brake hose into the tool, Check the location of the mark for cutting and secure the brake hose in place. align the mark for cutting with the groove in the tool.
  • Page 82 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Prepare the connector insert for insertion into the brake hose as follows. Press block Connector insert Attach the connector insert to the press block and then set the press block in the tool. Make sure that the tip of the connector insert is correctly positioned inside the opening of the brake hose.
  • Page 83 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Remove the seal plug. Seal plug NOTE Cover the seal plug with a waste cloth as the oil applied to the seal plug may leak. Insert the brake hose into the joint TECH TIPS component until the mark on the hose is...
  • Page 84 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Remove the brake lever stopper. Lever stopper NOTE After removing the lever stopper, check that the pad spacer is installed on the caliper side or that the caliper is installed to the bicycle and the disc brake rotor is between the two sides of the caliper, before depressing the lever.
  • Page 85 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Remove the bleed screw and O-ring. Bleed screw O-ring NOTE Be careful not to drop the bleed screw and O-ring. Attach the funnel adapter to the oil Oil funnel funnel.
  • Page 86 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Mount the oil funnel. Oil funnel NOTE Make adjustments, such as changing the angle of the handlebar, so that the side When tilting, be careful not to forcibly pull on of the bracket indicated in the the brake hose or electric wires.
  • Page 87 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Slowly apply and release the lever until no more air bubbles are emitted. If the brake lever is then operated, air bubbles in the system will rise up through the port Loose into the oil funnel.
  • Page 88 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Make adjustments, such as changing the angle of the handlebar, so that the head of the bleed screw is parallel to the ground. Plug the oil funnel with the oil stopper O-ring so that the O-ring mounted side is facing Oil stopper...
  • Page 89 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation of the brake hose (easy hose joint system) Wipe away any oil which has flowed out.
  • Page 90: Installation To The Handlebar

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installation to the handlebar „ Installation to the handlebar ST-R8070 NOTE Turn over the bracket cover from the back side. Forcibly pulling it may cause damage to the bracket cover because of its material Gently turn over the ends of the bracket properties.
  • Page 91: Adding Shimano Genuine Mineral Oil And Bleeding Air

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air „ Adding Shimano genuine mineral oil and bleeding air ST-R8070 With the bleed spacer (yellow) attached to the brake caliper, place the bicycle in the work stand as Brake hose shown in the illustration.
  • Page 92 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Turn over the bracket cover from the back side. NOTE Adjust the position of the bleed screw so that its surface is parallel to the ground.
  • Page 93 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Attach the funnel adapter to the oil Oil funnel funnel. Funnel adapter Mount the oil funnel. Oil funnel Secure the brake caliper in a vise while bleeding.
  • Page 94 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Set a 7 mm socket wrench in place. Tube holder Bleed nipple Fill the syringe with sufficient oil, connect the syringe tube to the bleed NOTE...
  • Page 95 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Operate the brake lever about 10 times. Tie the supplied tube and bag with rubber bands. Set a 7 mm socket wrench as shown in the illustration, and connect the tube to the bleed nipple.
  • Page 96 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air The level of liquid inside the oil funnel drops at this time, so keep filling the funnel with oil to maintain the level of liquid so that air is not drawn in.
  • Page 97 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Tighten the bleed nipple. Bleed nipple Tightening torque 4 - 7 N·m Make adjustments, such as changing the angle of the handlebar, so that the side of the bracket indicated in the illustration is parallel to the ground, and slowly apply and release the lever until no more air bubbles are emitted.
  • Page 98 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air If the brake lever is then operated, air bubbles in the system will rise up through the port Loose into the oil funnel. Slightly stiff Once the bubbles stop appearing, depress the brake lever as far as it will go.
  • Page 99 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Adding Shimano genuine mineral oil and bleeding air Plug the oil funnel with the oil stopper O-ring so that the O-ring mounted side is facing Oil stopper downward. Tightening torque Remove the oil funnel and funnel adapter while still plugged with the oil stopper.
  • Page 100: Installing The Brake Caliper

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper „ Installing the brake caliper Remove the bleed spacer (yellow). Bleed spacer Install the new brake pads and bolts. Brake pads Snap retainer At this point, make sure to install the Pad axle snap retainer as well.
  • Page 101 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper Check the length of brake caliper mounting bolt C Rear (same for both 140 mm and 160 mm) Insert the brake caliper mounting bolts C Brake caliper mounting bolt C into the frame mount area, and make sure that the lengths of the protruding NOTE...
  • Page 102 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper In the case of a disc brake rotor for a 140 mm front wheel Attach the mount bracket to the brake Mount bracket caliper. Brake caliper mounting bolt B Bolt fixing pin Tightening torque 6 - 8 N·m NOTE...
  • Page 103 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper Temporarily attach the mount bracket to Brake caliper mounting bolt A the frame. Depress the brake lever, and tighten the Tightening torque brake caliper mounting bolts A while pressing the brake pads against the disc 6 - 8 N·m brake rotor.
  • Page 104 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper In the case of a disc brake rotor for a 160 mm front wheel Attach the mount bracket to the brake Mount bracket caliper. Brake caliper mounting bolt B Bolt fixing pin Tightening torque 6 - 8 N·m NOTE...
  • Page 105 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper Insert the brake caliper mounting bolts A Brake caliper mounting bolt A into the holes in the mount bracket first and then temporarily attach the mount bracket to the frame, as in the Tightening torque illustration.
  • Page 106 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper In the case of a disc brake rotor for a 140 mm rear wheel Attach the brake caliper to the frame. Bolt fixing pin Brake caliper mounting bolt C Tightening torque 6 - 8 N·m NOTE Be sure to attach the bolt fixing pin.
  • Page 107 INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Installing the brake caliper Attach the mount bracket to the frame. Mount bracket Washers Brake caliper mounting bolt C Tightening torque 6 - 8 N·m NOTE • Be sure to use the washers when installing the mount bracket.
  • Page 108: Temporary Tightening Of The Frame Fixing Bolts

    INSTALLATION OF HYDRAULIC DISC BRAKE SYSTEM Temporary tightening of the frame fixing bolts „ Temporary tightening of the frame fixing bolts Fixing pin insertion method Front Rear Bolt fixing pin...
  • Page 109 CONNECTION OF ELECTRIC WIRES...
  • Page 110: Connection Of Electric Wires

    CONNECTION OF ELECTRIC WIRES Connection of junction A CONNECTION OF ELECTRIC WIRES For details on using the Shimano original tool TL-EW02, refer to the section "Using the Shimano original tool TL-EW02". „ Connection of junction A ST-R8050/ST-R8070 with SM-EW90 routing map 3 port type E-TUBE port ×3...
  • Page 111 CONNECTION OF ELECTRIC WIRES Connection of junction A ST-R8050/ST-R8070 with EW-RS910 routing map To frame (Junction B) ST-R8050/ ST-R8050/ ST-R8070 (L) ST-R8070 (R) E-TUBE port ×2 Junction A (2 port bar end type junction) Wireless unit NOTE ST-R8070 does not have a port for remote sprinter shifter.
  • Page 112: Connection Of Junction B

    SM-EW90-B Junction A EW-RS910 Junction A E-TUBE port ×3 E-TUBE port ×5 E-TUBE port ×2 Shimano original tool TL-EW02 Junction B TECH TIPS When connecting electric wires, push them in until you feel and hear a click. Connecting to FD-R8050 Attach the plug cover to the electric wire.
  • Page 113 CONNECTION OF ELECTRIC WIRES Connection of junction B Connecting to other parts Connect the electric wires to the rear derailleur and the battery mount. Shimano original tool TL-EW02 Rear derailleur Battery mount NOTE Temporarily secure the electric wire along the frame with tape, and connect When routing the electric wire to the rear it to junction B.
  • Page 114 CONNECTION OF ELECTRIC WIRES Connection of junction B Once the electric wires have been Junction B fixing bolt routed, secure junction B underneath the (10.5 mm or 15 mm) bottom bracket shell. Tightening torque 1.5 - 2 N·m NOTE Next, install the electric wire cover onto the frame. To ensure adhesion, before installing the Place the electric wire cover over the electric wires, and then attach it to the frame.
  • Page 115 CONNECTION OF ELECTRIC WIRES Connection of junction B Built-in type (SM-JC41) First pass the electric wires for junction A, the battery mount, the front derailleur and the Bottom bracket shell rear derailleur through the holes in the frame into the bottom bracket shell. TECH TIPS The electric wires for built-in use can be inserted only in one direction.
  • Page 116 Connect the electric wires to junction A. SM-EW90-A Junction A SM-EW90-B Junction A EW-RS910 Junction A E-TUBE port ×3 E-TUBE port ×5 E-TUBE port ×2 Shimano original tool TL-EW02 To be continued on next page...
  • Page 117 Plug cover Electric wire Connect the electric wire to the front derailleur together with the plug cover. Connecting to other parts Connect the electric wires to the rear derailleur and the battery mount. Shimano original tool TL-EW02 Rear derailleur Battery mount...
  • Page 118: Connecting To The Dual Control Lever

    (ST-R8070 does not have this Connect to either E-TUBE port [X] or port.) E-TUBE port [Y]. Shimano original tool TL-EW02 (A connection can be made with either E-TUBE port [X] or E-TUBE port [Y].) NOTE Be sure to push them together until they connect with a click.
  • Page 119 CONNECTION OF ELECTRIC WIRES Connecting to the dual control lever SW-R9160/ST-R8060 For the following models, attach the electric wire of the product to junction A. Junction A Shimano original tool TL-EW02 SW-R9160 ST-R8060 SW-R610 SW-R610 Shimano original tool TL-EW02 TECH TIPS...
  • Page 120: Routing Junction B And The Electric Wires Inside The Frame

    CONNECTION OF ELECTRIC WIRES Routing junction B and the electric wires inside the frame „ Routing junction B and the electric wires inside the frame Pass the electric wires for the front derailleur and the rear derailleur through the seat tube and chainstay respectively.
  • Page 121: Assembly Of The Bottom Bracket

    CONNECTION OF ELECTRIC WIRES Assembly of the bottom bracket „ Assembly of the bottom bracket When installing the inner cover to the Inner cover bottom bracket shell, make sure that the Adapter electric wires for the front derailleur and the rear derailleur pass over the top of the inner cover.
  • Page 122: Installation Of Grommets

    CONNECTION OF ELECTRIC WIRES Installation of grommets „ Installation of grommets Install grommets in appropriate positions TECH TIPS for the electric wires. Junction A side There are two types of grommets. Choose one according to the shape of the Close hole in the frame.
  • Page 123: Checking Connections

    CONNECTION OF ELECTRIC WIRES Checking connections Push the other end to set in place. Rear derailleur Front derailleur „ Checking connections After connecting the electric wires to all of the components, install the battery and check the operation. CAUTION Operate the shifting switches and check that the front and rear derailleurs both operate. Make sure to remove the battery before performing operations that involve close proximity to the front derailleur, such as...
  • Page 124: Disconnection Of The Electric Wires

    • When removing the electric wire, use the wider end of the Shimano original tool TL-EW02 as shown in the illustration. If you pull too firmly on the connectors, problems with operation may occur.
  • Page 125 CONNECTION OF ELECTRIC WIRES Disconnection of the electric wires Disconnection of other parts With the base portion of the hook firmly held down using the wider end of the Shimano Shimano original tool TL-EW02 original tool TL-EW02, remove the electric wire.
  • Page 126 HOW TO OPERATE...
  • Page 127: How To Operate

    HOW TO OPERATE Gear position control HOW TO OPERATE „ Gear position control This gear-shifting system is programmed to prevent shifting into gears that would lower the chain tension. Therefore, if you try to shift into such gears, shifting may function differently from the basic operations. The illustration below shows the gear positions that would lower the chain tension and the shifting operations performed when you shift into those gears.
  • Page 128 ADJUSTMENT...
  • Page 129: Adjustment

    ADJUSTMENT Adjustment of the rear derailleur ADJUSTMENT „ Adjustment of the rear derailleur Install the battery. Adjust the end adjust bolt. Largest sprocket Smallest sprocket Mount the chain on the largest sprocket, End adjust bolt and shift gears turning the crank arm. Guide pulley Turn the end adjust bolt to move the guide pulley as close to the sprocket as...
  • Page 130 ADJUSTMENT Adjustment of the rear derailleur SM-EW90-A/B Press the button at junction A until the Junction A button LED illuminates in order to switch LED window for button from gear shifting mode to adjustment Button mode. Red LED NOTE Note that if you keep pressing the button after the button LED has illuminated, RD Protection Reset will begin.
  • Page 131 ADJUSTMENT Adjustment of the rear derailleur If shifting switch [X] is pressed once TECH TIPS while the initial setting condition is active, the guide pulley will move one step toward the inside. When adjusting, the guide pulley will overrun slightly and then move back in an exaggerated movement so that you can check If shifting switch [Y] is pressed once, the the adjustment direction.
  • Page 132 ADJUSTMENT Adjustment of the rear derailleur Next, operate shifting switch [Y] 4 times to move the guide pulley toward the outside by 4 steps to the target position. 4 steps 4 times NOTE SM-EW90-A/B Press the button at junction A until the red LED turns off in order to switch from Change to adjustment mode, operate shifting rear derailleur adjustment mode to gear...
  • Page 133 ADJUSTMENT Adjustment of the rear derailleur Next, adjust the stopper bolt. 2 mm hexagon wrench Low-side stopper bolt Adjustment of the low-side stopper bolt Shift the rear derailleur to the largest sprocket, and then tighten the low-side stopper bolt until it just touches the left TECH TIPS link.
  • Page 134: Installing The Chain

    ADJUSTMENT Installing the chain „ Installing the chain Chain length Mount the chain on to the largest Largest sprocket sprocket at the rear and the largest Chain chainring at the front. Largest chainring Inner link Next, add 1 to 3 links to set the length of the chain.
  • Page 135: Adjustment Of The Front Derailleur

    ADJUSTMENT Adjustment of the front derailleur „ Adjustment of the front derailleur Checking bolt positions The top adjustment bolt and the support bolt Support bolt are close to each other. Top adjustment bolt Make sure that you are using the correct bolt for adjustment.
  • Page 136 ADJUSTMENT Adjustment of the front derailleur Top adjustment Set the chain on the largest chainring at Largest chainring the front and the smallest sprocket at Smallest sprocket the rear. Use a 2 mm hexagon wrench to turn the Top adjustment bolt top adjustment bolt.
  • Page 137 ADJUSTMENT Adjustment of the front derailleur Low position electrical adjustment For drop handlebar type Set the chain on the smallest chainring Smallest chainring at the front and the largest sprocket at Largest sprocket the rear. SM-EW90-A/B Press the button at junction A until the Junction A button LED illuminates in order to switch LED window for button...
  • Page 138 ADJUSTMENT Adjustment of the front derailleur Operate shifting switch [X] or [Y]. Chain Chain guide inner plate Adjust so that there is a clearance of 0 – 0.5 mm between the chain and the chain NOTE guide inner plate. Shift the front derailleur and the rear [A-B] 0 –...
  • Page 139 ADJUSTMENT Adjustment of the front derailleur For time trial/triathlon handle type Set the chain on the smallest chainring Smallest chainring at the front and the largest sprocket at Largest sprocket the rear. TECH TIPS E-TUBE PROJECT can be used to set the chain to the smallest chainring and largest sprocket.
  • Page 140 ADJUSTMENT Adjustment of the front derailleur Operate shifting switch R[X] or L[X]. Chain SW-R9160 (L) SW-R9160 (R) Chain guide inner plate Adjust so that there is a clearance of 0 – 0.5 mm between the chain and the chain NOTE guide inner plate.
  • Page 141 ADJUSTMENT Adjustment of the front derailleur Top position electrical adjustment For drop handlebar type Set the chain onto the largest chainring Largest chainring at the front and the largest sprocket at Largest sprocket the rear. SM-EW90-A/B Press the button at junction A until the Junction A button LED illuminates in order to switch LED window for button...
  • Page 142 ADJUSTMENT Adjustment of the front derailleur Operate shifting switch [X] or [Y]. Chain Chain guide inner plate Adjust so that there is a clearance of 0 – 0.5 mm between the chain and the chain NOTE guide inner plate. Shift the front derailleur and the rear [A-B] 0 –...
  • Page 143 ADJUSTMENT Adjustment of the front derailleur For time trial/triathlon handle type Set the chain onto the largest chainring Largest chainring at the front and the largest sprocket at Largest sprocket the rear. TECH TIPS • If the rear derailleur cannot be set to the largest sprocket in synchronized mode, switch to manual mode before setting the rear derailleur to the largest sprocket.
  • Page 144 ADJUSTMENT Adjustment of the front derailleur Operate shifting switch R[X] or L[X]. Chain SW-R9160 (L) SW-R9160 (R) Chain guide inner plate Adjust so that there is a clearance of 0 – 0.5 mm between the chain and the chain NOTE guide inner plate.
  • Page 145: Adjustment Of Lever Stroke

    ADJUSTMENT Adjustment of lever stroke „ Adjustment of lever stroke ST-R8050 Turn over the bracket cover from the front side. Adjust the position of the lever body using the reach adjustment screw. Counterclockwise: Increases the lever stroke Clockwise: Decreases the lever stroke 2 mm hexagon wrench NOTE Make sure that braking operates properly...
  • Page 146 ADJUSTMENT Adjustment of lever stroke ST-R8060 Adjust the position of the lever body using the reach adjustment bolt. Counterclockwise: Increases the lever stroke Clockwise: Decreases the lever stroke Reach adjustment bolt 2 mm hexagon wrench NOTE Make sure that braking operates properly after the adjustment.
  • Page 147: Free Stroke Adjustment (St-R8070)

    ADJUSTMENT Free stroke adjustment (ST-R8070) „ Free stroke adjustment (ST-R8070) Turn over the bracket cover from the front side. Turn the free stroke adjustment screw to Free stroke adjustment screw adjust the stroke. 2 mm hexagon wrench Turning in the direction shown in the NOTE illustration increases the free stroke.
  • Page 148 CHARGING THE BATTERY...
  • Page 149: Charging The Battery

    Power cord: Insert into the connector. (Insert all the way) Charger cord (Sold separately) TECH TIPS This is a special charger for charging Shimano lithium ion batteries (SM-BTR1). Special battery (SM-BTR1) Electrical contacts: If these are modified or damaged, problems with operation will occur.
  • Page 150 Plug for product connection: Connect to junction A. TECH TIPS • This is a special charger for charging Shimano lithium ion batteries (SM-BTR2/ BT-DN110). • If water collects in the product connector, connect the plug only after wiping it off.
  • Page 151: Charging Method

    CHARGING THE BATTERY Charging method „ Charging method External type (SM-BCR1/SM-BTR1) Insert the power plug of the battery charger into an electrical outlet. Insert the battery (SM-BTR1) into the TECH TIPS battery charger (SM-BCR1) as far as it will Charging takes up to approximately 1.5 hours. (Note that the actual time will vary depending on the remaining battery charge.) When the CHARGE indicator (orange)
  • Page 152 CHARGING THE BATTERY Charging method Built-in type (SM-BCR2/SM-BTR2, BT-DN110) Connect the battery to the junction A. TECH TIPS • The battery can be charged by using an AC adapter with a USB port or connecting the charger to the USB connector of a PC. Connect the charging cable of the Charging port charger to the junction A.
  • Page 153: When Charging Is Not Possible

    CHARGING THE BATTERY When charging is not possible „ When charging is not possible External type (SM-BCR1/SM-BTR1) Remove the battery from the battery charger, disconnect the power plug of the battery charger from the electrical outlet, and then repeat the charging operation.
  • Page 154 CHARGING THE BATTERY When charging is not possible Built-in type (SM-BCR2/SM-BTR2, BT-DN110) Make sure that only one unit of SM-BCR2 is connected to a PC. If the ERROR indicator blinks If the ERROR indicator blinks, the ERROR indicator ambient temperature during charging may fall outside the operating temperature limits.
  • Page 155 CONNECTION AND COMMUNICATION WITH DEVICES...
  • Page 156: Connection And Communication With Devices

    Connecting the bicycle (system or components) to a device enables such operations as updating system firmware and customization. You need E-TUBE PROJECT to configure the system and update firmware. TECH TIPS Download E-TUBE PROJECT from our support website (http://e-tubeproject.shimano.com). You need SM-PCE1 and SM-JC40/JC41 to connect the system to a PC. They are not For information on how to install E-TUBE PROJECT, check the support website.
  • Page 157 CONNECTION AND COMMUNICATION WITH DEVICES Settings customizable in E-TUBE PROJECT Shift mode setting (synchronized shifting) Synchronized shift is a function that maintains optimal front and rear gear positioning by interlinking the shifting of the front and rear derailleurs. There are two Synchronized shift modes, as explained below. NOTE Semi-synchronized shift Values that can be actually set for number of...
  • Page 158 MAINTENANCE...
  • Page 159: Maintenance

    MAINTENANCE Replacing the bracket cover MAINTENANCE „ Replacing the bracket cover ST-R8050/ST-R8070 NOTE Fit the tabs on the bracket cover into the slots on the bracket unit. Note the markings R: for right L: for left The markings can be found on the inner surface of the bracket cover.
  • Page 160: Disassembly Of The Bracket Body And Lever Body (St-R8050)

    MAINTENANCE Disassembly of the bracket body and lever body (ST-R8050) „ Disassembly of the bracket body and lever body (ST-R8050) Use the Shimano original tool which is Special E-ring removal tool sold separately to remove the E-ring. Y6RT68000 Hook section [1] of the Shimano original CAUTION tool on the E-ring and remove it.
  • Page 161: Assembly Of The Switch Unit

    MAINTENANCE Assembly of the switch unit The lever body can be disassembled from the bracket body by removing the two switch unit Switch unit fixing screw fixing screws and then removing the switch unit with the switch return spring and the switch (Hexalobular[#5]) springs.
  • Page 162 MAINTENANCE Assembly of the switch unit Place the switch unit onto the mounting surface of the setting plate. Press the switch unit by hand so that the Switch unit switch springs go into the grooves in the Shifting switches [X] [Y] buttons, and then push the shifting switches [X] and [Y] in as far as they will Tightening torque...
  • Page 163: Assembly Of The Bracket Body And Lever Body

    MAINTENANCE Assembly of the bracket body and lever body „ Assembly of the bracket body and lever body Assemble the bracket body and the lever body, and then attach the return spring. Return spring Align the axle holes, and then press-fi t E-ring groove the lever axle.
  • Page 164: Replacement Of The Pulley

    MAINTENANCE Replacement of the pulley Use part [1] of the Shimano original tool Special E-ring removal tool to install the E-ring. NOTE Do not use the removed E-ring again. Be sure to use a new product (Y46RU41100: service parts code).
  • Page 165: Replacement Of The Plate And The Plate Tension Spring

    MAINTENANCE Replacement of the plate and the plate tension spring „ Replacement of the plate and the plate tension spring Removal Remove the plate stopper pin. Plate stopper pin Tightening torque 1 N·m Turn the plate to loosen the plate tension spring as shown in the illustration.
  • Page 166 MAINTENANCE Replacement of the plate and the plate tension spring Detach the plate. Cautions when assembling Assemble by carrying out the removal procedure in reverse while adhering to the following cautions. Apply grease to the plate axle. Plate axle Apply grease. When reassembling, insert the end of Plate axle the plate tension spring into the groove...
  • Page 167: Replacing The Brake Pads

    MAINTENANCE Replacing the brake pads „ Replacing the brake pads Remove the wheel from the frame, and Brake pads remove the brake pads as shown in the Snap retainer illustration. NOTE • This brake system is designed to automatically adjust the clearance between the disc brake rotor and the brake pads by the piston gradually protruding according to the wear of the brake pads.
  • Page 168: Shimano Genuine Mineral Oil Replacement

    After attaching the bag and tube to the bleed nipple, open the bleed nipple and drain the oil. At this time, operate the dual control lever to make draining the oil easier. After draining the oil, refer to “Adding Shimano genuine mineral oil and bleeding air”, then lubricate with oil from a newly opened container.
  • Page 169 Please note: specifications are subject to change for improvement without notice. (English) © Sep. 2017 by Shimano Inc. ITP...

Table of Contents

Save PDF