Shimano Ultegra ST-6870 Dealer's Manual

Shimano

🧩  Manuals supported for 20 models of Shimano

  • Ultegra 6870 Series
  • Ultegra ST-6871
  • Ultegra FD-6870
  • Ultegra RD-6870
  • Ultegra SW-R610
  • Ultegra SW-9071
  • Ultegra SW-R671
  • Ultegra SM-EW90
  • Ultegra EW-SD50
  • Ultegra SM-EWC2
  • Ultegra SM-JC40
  • Ultegra SM-JC41
  • Ultegra SM-BTR1
  • Ultegra SM-BTR2
  • Ultegra SM-BMR1
  • Ultegra SM-BMR2
  • Ultegra SM-BA01
  • Ultegra SM-BCR1
  • Ultegra SM-BCR2
  • Ultegra SM-BCC1

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Table of Contents
  • IMPORTANT NOTICE

    4
  • TO ENSURE SAFETY

    5
  • Lithium ion battery

    6
  • Battery charger / Battery charger cord

    8
  • Brake

    10
  • Be sure to also inform users of the following

    12
  • INSTALLATION

    14
  • Electric wire wiring diagram (overall conceptual diagram)

    15
  • Electric wire wiring diagram (junction (A) side)

    17
  • Installation of the dual control lever and brake cable

    19
  • Tightening torque

    21
  • Installation of the front derailleur

    22
  • Installation of the rear derailleur

    24
  • Installation of the shifting switch

    25
  • Installation of the junction (A)

    32
  • Installation of the junction (B)

    33
  • CONNECTION OF THE ELECTRIC WIRES

    39
  • Connection of the Junction (B)

    40
  • Connection to the Dual control lever

    45
  • Routing junction (B) and the electric wires inside the frame

    47
  • Assembly of the bottom bracket shell

    48
  • Checking connections

    49
  • Disconnection of the electric wires

    50
  • ADJUSTMENT

    52
  • Adjustment of the front derailleur

    55
  • Lever stroke adjustment

    59
  • Charging the battery

    61
  • Charging method

    63
  • Troubleshooting for charging error

    65
  • MAINTENANCE

    67
  • Disassembly of the bracket unit and lever unit

    68
  • Assembly of the switch unit

    70
  • Assembly of the bracket unit and lever unit

    71
  • Replacing the pulley

    72
  • How to install the B axle

    73