Table of Contents
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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
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Table of Contents
Related Manuals for Shimano Ultegra BR-R8070
Summarization of Contents
Important Notice
General Safety Precautions
Essential safety guidelines and warnings for using the product and performing maintenance.
Installation
Electric Wire Wiring Diagram (Overall Conceptual Diagram)
Illustrates the overall connection of the electric wires for the system.
Electric Wire Wiring Diagram (Junction A Side)
Details the wiring connections for Junction A on different handlebar types.
Using the Shimano Original Tool TL-EW02
Instructions on how to use the specialized tool for connecting/disconnecting wires.
Installation of the Dual Control Lever and Brake Cable
Step-by-step guide for installing the brake levers and cables.
Installation of the Front Derailleur
Procedure for mounting the front derailleur onto the bicycle frame.
Installation of the Rear Derailleur
Guide for securely attaching the rear derailleur to the frame.
Direct Mount Type
Specific instructions for installing components on direct mount frames.
Installing the Shifting Switch
Steps for mounting the electronic shifting switches on handlebars.
Installation of Junction A (SM-EW90-A/B)
How to install Junction A units on the stem.
Installation of Junction A (EW-RS910)
Procedure for installing the EW-RS910 Junction A into handlebars.
Installation of Junction B
Steps for mounting Junction B on the bicycle frame.
Points to Check Before Attaching the Wireless Unit (EW-WU111)
Pre-installation checks for the wireless unit and compatible devices.
Attaching the Wireless Unit (EW-WU111)
Guide for connecting the wireless unit to the system.
Installing the Battery
Instructions for mounting the battery and battery mount.
Installation of Hydraulic Disc Brake System
List of Tools to be Used When Installing Hydraulic Disc Brake System
Specific tools required for hydraulic disc brake system installation.
Installation of the Disc Brake Rotor
Procedure for mounting the disc brake rotor onto the hub.
Installation of the Brake Hose
Steps for connecting the brake hose to the system.
Installation of the Brake Hose (Easy Hose Joint System)
Guide for cutting and installing brake hoses with easy joint system.
Installation to the Handlebar
How to mount the brake levers onto the handlebar.
Adding Shimano Genuine Mineral Oil and Bleeding Air
Procedure for filling and bleeding the hydraulic brake system.
Installing the Brake Caliper
Steps for mounting the brake caliper to the frame.
Temporary Tightening of the Frame Fixing Bolts
Method for temporary tightening of frame fixing bolts.
Connection of Electric Wires
Connection of Junction A
Wiring diagrams for connecting Junction A components.
Connection of Junction B
Steps for connecting Junction B to other parts.
Connecting to the Dual Control Lever
Guide for connecting electric wires to the dual control levers.
Routing Junction B and the Electric Wires Inside the Frame
Instructions for managing wires within the bicycle frame.
Assembly of the Bottom Bracket
Procedure for assembling the bottom bracket with internal wires.
Installation of Grommets
How to install grommets for wire entry points.
Checking Connections
Verification steps after connecting all electric wires.
Disconnection of the Electric Wires
Instructions for safely disconnecting electric wires.
How to Operate
Gear Position Control
Explanation of gear shifting logic and restrictions.
Adjustment
Adjustment of the Rear Derailleur
Detailed steps for adjusting the rear derailleur.
Installing the Chain
Guide for correctly installing and sizing the bicycle chain.
Adjustment of the Front Derailleur
Procedure for adjusting the front derailleur's position and limit screws.
Adjustment of Lever Stroke
How to adjust the reach and lever stroke of the brake/shift levers.
Free Stroke Adjustment (ST-R8070)
Specific steps for adjusting the free stroke on ST-R8070 levers.
Charging the Battery
Names of Parts
Identification of components for the battery charging system.
Charging Method
Instructions for charging the external and built-in batteries.
When Charging is Not Possible
Troubleshooting guide for battery charging issues.
Connection and Communication with Devices
System Requirements
Information on required software and hardware for system configuration.
Settings Customizable in E-TUBE PROJECT
Overview of adjustable settings via E-TUBE PROJECT software.
Shift Mode Setting (Synchronized Shifting)
Explanation of synchronized shifting modes and settings.
Maintenance
Replacing the Bracket Cover
Procedure for replacing the lever bracket cover.
Disassembly of the Bracket Body and Lever Body (ST-R8050)
Steps for disassembling the ST-R8050 lever body.
Assembly of the Switch Unit
Instructions for assembling the shifting switch unit.
Assembly of the Bracket Body and Lever Body
Steps for reassembling the bracket body and lever body.
Replacement of the Pulley
Guide for replacing the derailleur pulleys.
Replacement of the Plate and the Plate Tension Spring
Procedure for replacing derailleur plates and tension springs.
Replacing the Brake Pads
Steps for removing and installing new brake pads.
Shimano Genuine Mineral Oil Replacement
Procedure for changing the hydraulic brake system mineral oil.
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