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Ultegra ST-R8170 Di2 12-Speed Shift/Brake System

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$536.99

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Why We Like The Ultegra ST-R8170 Di2 12-Speed Shift/Brake System

Getting us up to speed and back to a halt very quickly is the Shimano Ultegra ST-R8170 Di2 Shift/Brake System. This combo system includes light and responsive flat-mount calipers with an accurate wireless Di2 drivetrain. The hoods on the shifters have been made to be even more aerodynamic to quickly cut through the wind.


Details

  • Wireless Di2 shifters with hydraulic brakes and calipers
  • Aluminum brake and caliper construction keeps weight low
  • Aerodynamic levers thanks to wireless tech
  • Flat-mount brakes stop consistently and quickly
  • Item #SHIU1FA
Lever
Shimano Ultegra Di2
Lever Adjustability
stroke, reach
Actuation
hydraulic
Caliper
BR-R8170
Mount Type
flat
Fluid
mineral oil
Rotor
not included
Compatibility
Shimano Di2 drivetrains, flat-mount disc brake frames
Claimed Weight
[pair] 14oz (391g)
Activity
cycling, road, commuting, time trial, triathalon
Manufacturer Warranty
2 years

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