- 976
- 2
- DUAL CONTROL LEVER
- 391 (/pair)
Specifications
As listed in the manufacturer's catalog.
General
- Series
- ULTEGRA
- Color / 1
- Series color
- Shifter type
- DUAL CONTROL LEVER
- Remote switch
- Yes
- Bracket / Material
- CFRP
- Di2 connectivity wired / Di2 shifting
- Yes
- Di2 connectivity wireless / Di2 shifting
- Yes
- Firmware update by E-TUBE PROJECT
- Yes
- SD50 port (pcs)
- 0
- SD300 port (pcs)
- 1
- SD50 connector (pcs)
- 0
- SD300 connector (pcs)
- 0
- Port for SD50 remote sprinter shifter (pcs)
- 0
- Port for SD300 satellite shifter (pcs)
- 1
- Battery
- CR1632
- Average weight (g)
- 391 (/pair)
Brake lever
- Brake hose (kit)
- SM-BH90-JK-SSR
- Hose joint
- Straight
- Brake hose color (kit) / 1
- Black
- Recommended brake caliper
- BR-R8170
- Oil
- SHIMANO Mineral
- Reach adjust
- Yes
- Clamp band (mm)
- 23.8-24.2
- Funnel bleeding
- Yes
- Free stroke adjust
- Yes
- SERVO WAVE
- Yes
- Material
- Aluminum
- Finish
- Painted
Electric button
- Material
- CFRP
- Finish
- Painted
Variants
The manufacturer's versions of this model (code suffix, color, cage). Each figure counts spec sheets that name that exact version; most name only the model.
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano Ultegra Di2 ST-R8170
-
Shimano Ultegra Di2 R8170
-
Shimano Ultegra Di2 Disc 2x12
-
SHIMANO ULTEGRA ST-R8170 Di2
-
Shimano Ultegra R8170
-
Shimano Ultegra R8170 Di2, 12 speed
-
Shimano Ultegra 8170 12 Speed
-
Shimano Ultegra Di2, ST-R8170
Bicycles
Published bicycles that use it, newest model years first.