Description
Description
SHIMANO ULTEGRA – HOLLOWTECH II – Road Crankset – 2×11-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.
- 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
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
P.C.D. (mm) 110
Rear speeds 11