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NITROGEN 231A/231B: ASSEMBLY GUIDE
Valid for MY2017
Nitrogen 231A/231B
Revision 6.0 - 05-23-2017

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Summary of Contents for Argon 18 NITROGEN 231A

  • Page 1 NITROGEN 231A/231B: ASSEMBLY GUIDE Valid for MY2017 Nitrogen 231A/231B Revision 6.0 - 05-23-2017...
  • Page 2: Table Of Contents

    10. Parts’ SKUs and Descriptions......25-27 For the warranty to be valid, the bicycle must be fully assembled by an authorized Argon 18 dealer. High end components, particularly carbon parts, need extra care when assembled.
  • Page 3: Overview Of The Assembly

    NITROGEN 231A/231B: Overview of the assembly 1. Frame inspection 2. Headset installation 3. Cable housing installation IMPORTANT NOTICE: It is easier to install the cable housings before the bottom bracket, crank & fork. 4. Electronic drive train 5. Front brake installation 6.
  • Page 4 NITROGEN 231A/231B: Overview of the assembly 7. Seatpost installation 8. Seatpost adjustment 9. Derailleur hanger adjustment 10. Part listing...
  • Page 5: Frame Inspection

    NITROGEN 231A/231B: 1. Frame inspection When assembling a new frame, be sure to check if the following parts are assembled correctly. Parts installed on the frame Description Screw Tork Detail type Front derailleur hanger Screw (2) Loctite Rear derailleur hanger...
  • Page 6: Headset Installation

    NITROGEN 231A/231B: 2. Headset installation Install the 3D headset (16) according to the AERO Pressfit assembly guide. You can choose from 3 different height : 25mm, 15mm or 0mm.
  • Page 7: Cable Housing Installation

    NITROGEN 231A/231B: 3. Cable housing installation 1. Install the rear derailleur cable housing starting at the drive side’s drop-out until it comes out in the top tube. brake and speed adjustment : 5mm barrel adj. 2. Install the front derailleur cable housing starting under the bottom bracket shell.
  • Page 8 NITROGEN 231A/231B: 3. Cable housing installation (continued) Note: The front brake cable guide (17h) should be front oriented to ensure a good rotation of the handle bar. Front brake cable guide...
  • Page 9 NITROGEN 231A/231B: 3. Cable housing installation (continued) Pass the cable through the cable guide (17h). Create a “hook” with the cable, it will be easier to pass it inside the retainer nut.
  • Page 10 NITROGEN 231A/231B: 3. Cable housing installation (continued) KEB cable housing Rear brake cable housing Remove the 2 cable stopper (on the head tube and near the seat collar). Font section: Mesure the necessairy cable housing to ensure a proper rotation of the handlebar. Insert the “KEB”...
  • Page 11 NITROGEN 231A/231B: 3. Cable housing installation (continued) It’s better to install the cable housing before installing the bottom bracket, crank and fork. Rear derailler: Pass the cable housing inside the frame starting at the rear derailler hanger until it comes out the top tube.
  • Page 12 NITROGEN 231A/231B: 3. Cable housing installation (continued) Use the provided grommet (19) to fix correctly the rear derailleur cable in the chainstay (mechanical drive train only).
  • Page 13: Electronic Drive Train Specification

    NITROGEN 231A/231B: 4. Electronic drive train specification The Di2 cable routing can be achieve easily using this simple trick: use a brake cable and a metal cable end to fix the Di2 cable. For more information on Shimano Di2 electronic system...
  • Page 14 NITROGEN 231A/231B: 4. Electronic drive train specification Use the proper gromet on the top tube to fix the cable correctly (depending if you use electronic shifting or mecanical drive train).
  • Page 15 NITROGEN 231A/231B: 4. Electronic drive train specification When using an electronic drive train, use the gromet (13) to fix the front derailler cable.
  • Page 16 NITROGEN 231A/231B: 4. Electronic drive train specification The Di2 battery is hidden in the seatpost, use the 2 battery holder (2o) to fix the battery correctly. Apply a slight amount of grease on both parts. GREASE...
  • Page 17: Front Brake Installation

    NITROGEN 231A/231B: 5. Front brake installation 5.10 GREASE GREASE LOCTITE GREASE Install the brakes as shown in the diagram. GREASE 8 Nm LOCTITE 8 Nm...
  • Page 18 NITROGEN 231A/231B: 5. Front brake installation (continued) Adjust brake pads according to the width of your rims: Pass the cable through the curved straw and then in the appropriate guide. Fix the cable to the caliper with the 6mm screw and tighten it to 6Nm.
  • Page 19 NITROGEN 231A/231B: 5. Brake pads spacing IMPORTANT : If the brake bad spacing is too thick, the brake arm can rub on the frame down tube. Make sure the pads spacing is appropriate. Adjust brake pads according to the width of your rims:...
  • Page 20: Rear Brake Installation

    NITROGEN 231A/231B: 6. Rear brake installation outer side GREASE LOCTITE Install the brakes as shown in the diagram.
  • Page 21 NITROGEN 231A/231B: 6. Rear brake installation (continued) Adjust brake pads according to the width of your rims: Pass the cable through the cable guide. Make sure that the length of the cable housing is sufficient for the guide to remain horizontal as it can causes interference with the rear wheel tire.
  • Page 22: Seatpost Installation

    NITROGEN 231A/231B: 7. Seatpost installation RUNNING CHANGE 5.5 Nm GREASE THREADLOCKER BLUE (n. 242) 1. Place the seat post collar inside the frame. GREASE 2. Insert the seatpost (3) on which some carbon fiber assembly gel has GREASE been applied.
  • Page 23: Saddle Adjustment

    NITROGEN 231A/231B: 8. Saddle adjustment 8.1 Install the saddle on the rocker (3d) and tighten the rail clamp (3e) up to 6Nm using the half-moon bolt (3k). 8.2 Adjust the angle and the offset of the saddle by hand tightening the GREASE thumb screw (3j).
  • Page 24 NITROGEN 231A/231B: 8. Saddle adjustment Left: Road position: headbase (3b) is rear facing, setback offset (-17.5mm to -22.5mm) by flipping the bottom clamp (3d). Right : Tri position: headbase (3b) is front facing, setback offset (+30mm to +40mm) by flipping the bottom clamp...
  • Page 25: Derailleur Hanger Adjustment

    NITROGEN 231A/231B: 9. Derailleur hanger adjustment The front derailleur hanger (6) can be adjusted according to the front derailleur angle in order to get an equal curve between the derailleur and the big chain ring. Once at the right angle, use blue 242 LockTite and screw both screws in at 4Nm.
  • Page 26: Parts' Skus And Descriptions

    FK.NIT.231A Images are for reference only. Proportions are not accurate. FK.NIT.231B Argon 18 reserves the right to modify/change parts of the frameset at any moment without prior notice. *For more info please consult notice on Seatpost clamp dated 2016-06-09...
  • Page 27 NITROGEN 231A/231B: 10. Parts’ SKUs and Descriptions* Name Assembled on A18 SKU# Parts already assembled Rear Derailleur Hanger (incl. screws) Frame 38883 Front Derailleur Hanger (incl. screws) Frame 38882 BB Cable Guide (incl. screw) Frame 38885 Bottle Cage Screws Frame...
  • Page 28 NITROGEN 231A/231B: 10. Parts’ SKUs and Descriptions Name Assembled on A18 SKU# Parts Derailleur and Brake Cable Housing Kit Frame 39014 Brake cable/housing kit includes: KEB Housing INCL. End Caps INCL. End Caps INCL. End Caps INCL. Cable INCL. Barrel Adjuster INCL.

This manual is also suitable for:

Nitrogen 231b

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