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

 

Specifications:

• MODEL NO FC-R8000
• SERIES 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 ✔