SHIMANO ULTEGRA - HOLLOWTECH II - Road Crankset - 2x11-speed
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.
 
FEATURES
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
 
PRODUCT SPECIFICATIONS
MODEL NO
FC-R8000
SERIES
SHIMANO ULTEGRA R8000 Series
Color
Series color
Average weight
668 (46-36T) 674 (50-34T) 681 (52-36T) 690 (53-39T)
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
✔
Crank arm length (mm)|170
✔
Crank arm length (mm)|172.5
✔
Crank arm length (mm)|175
✔
Optional chain guard|Without chain/bash guard
✔
HOLLOWTECH II
✔
HOLLOWTECH crank arm
✔
HOLLOWGLIDE
X - (46-36T)
Compatible bottom bracket type|Outboard
✔
Recommended bottom bracket|Threaded (normal)
SM-BBR60
Recommended bottom bracket|Press-fit
SM-BB72-41B
Threaded bottom bracket shell width (mm)|68
✔
Threaded bottom bracket shell width (mm)|70
✔
Crank fixing screw included
✔