Item No. 10407881
Minimal weight without sacrificing stiffness
Lightweight crankarm design optimized for power-transfer efficiency
Rider-tuned gear performance through various gear combinations
Optimized lightweight crank arm design produces excellent power transfer efficiency
Minimized weight without sacrificing stiffness
Hollowtech II
Rider tuned gear performance through various gear combinations
Possible to choose the best choice for ride
Redesigned fc for greater frame compatibility
Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length
46-36T, 50-34T, 52-36T, 53-39T
165, 170, 172.5, 175mm
Hollowtech II technology
Compatible BB type_outboard
Crank fixing bolt included
Crank arm length (mm)_165.0
Crank arm length (mm)_170.0
Crank arm length (mm)_172.5
Crank arm length (mm)_175.0
Hollowtech technology
Optional chain guard_without chain / bash
Threaded BB shell width_68mm
Crank arm fixing bolt_with
Average weight: 681 g, 690 g, 668 g, 674 g
Threaded BB shell width: 68,70
Crank arm finish: Anodized
Compatible BB type: OutBoaRD
Gear ARMS: 4
Compatible chain: HG-EV 11 Speed/ HG-x11
Inner ring material: Aluminum
Generation ultegra: R8000
Chain ring combination: 52-36,50-34,53-39,46-36
Crank arm length: 165,170,172.5,175
Crank arm material: Aluminum
Chain line (mm): 43.5
Chain ring combination: 46-36T
P.C.D. (mm): 110
Rear speeds: 11
Recommended BB_Pressfit: SM-BBR60-PB
Recommended BB_Threaded (normal): SM-BBR60
Compatible With:HG-EV 11-speed Chain, HG-X11 Chain
Disclaimer:We only ship this brand to US Addresses.
Material Details:Aluminum
Best Use:Road Biking
