The all-new SHIMANO ULTEGRA 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.

• Lightweight crankarm design optimized for power-transfer efficiency
• Minimal weight without sacrificing stiffness
• 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

• TECHNOLOGIES

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  PRODUCT SPECIFICATIONS

  MODEL NO	FC-R8000
  SERIES	ULTEGRA R8000 Series
  Color	Series color
  Average weight	690 (53-39T) 681 (52-36T) 674 (50-34T) 668 (46-36T)

  HOLLOWTECH II Technology	✔
  Threaded bottom bracket shell width (mm)_70	✔
  Chain line (mm)	43.5
  Chainring combination	50-34T 52-36T 53-39T 46-36T
  Compatible bottom bracket type_Outboard	✔
  Compatible chain	HG-EV 11-speed, HG-X11
  Crank fixing bolt included	✔
  Crank arm length (mm)_165	✔
  Crank arm length (mm)_170	✔
  Crank arm length (mm)_172.5	✔
  Crank arm length (mm)_175	✔
  Spider/Gear arms	4
  HOLLOWGLIDE	X - (46-36T)
  HOLLOWTECH II	✔
  HOLLOWTECH Technology	✔
  HOLLOWTECH crank arm	✔
  Optional chain guard_Without chain/bash guard	✔
  P.C.D. (mm)	110
  Rear speeds	11
  Recommended bottom bracket_Press-fit	SM-BB72-41B
  Recommended bottom bracket_Threaded (normal)	SM-BBR60
  Threaded bottom bracket shell width (mm)_68	✔
  Q-factor (mm)	146
  Chain line (mm)	43.5
  Compatible chain	HG-EV 11-speed, HG-X11
  P.C.D. left / right (mm)	110
  Rear speeds	11