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The Shimano FC-R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance.
The Shimano FC-R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance.
Shimano

Shimano Ultegra R8000 34t 110mm 11-Speed Chainring For 34/ 50t Black

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Shimano Ultegra R8000 34t 110mm 11-Speed Chainring For 34/ 50t Black

Season:2018

Brand:Shimano

Code:CK9175

The Shimano FC-R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames.

It is available with 53-39, 52-36, 50-34, and 46-36T chainrings and 165, 170, 172.5, and 175mm crank arm lengths.

Features:

  • Lightweight crankarm design optimized for power-transfer efficiency
  • Minimal weight without sacrificing stiffness
  • Technology: HOLLOWTECH II
  • Rider-tuned gear performance through various gear combinations
  • Redesigned FC for greater frame compatibility
  • Wider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135 mm and 410 mm chainstay length
Technical Information
  • Model No
    FC-R8000
  • Series
    ULTEGRA
  • Rear speeds
    11
  • Compatible chain
    LINKGLIDE, HG 11-speed
  • Chain line (mm)
    43.5
  • P.C.D. left / right (mm)
    110
  • P.C.D. (mm)
    110
  • Spider/gear arms
    4
  • Chainring combination
    46-36T, 50-34T, 52-36T, 53-39T
  • Q-factor (mm)
    146
  • Crank arm length (mm)
    165 170 172.5 175
  • Optional chain guard
    Without chain/bash guard
  • HOLLOWTECH II
  • HOLLOWTECH crank arm
  • HOLLOWGLIDE
    ✔, - (46-36T)
  • Compatible bottom bracket type
    Outboard
  • Recommended bottom bracket
    Threaded (normal) SM-BBR60 Press-Fit SM-BB72-41B
  • Threaded bottom bracket shell width (mm)
    68 70
  • Crank fixing screw included
  • Average weight
    668 (46-36T) 674 (50-34T) 681 (52-36T) 690 (53-39T)
Sizing Information
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