SHIMANO XT FC-M8100-1 Crank Arms - 12 Speed
52mm chain line works with 142 or 148 O.L.D. Prioritizes narrowest possible Q factor
Special MTB gear teeth profile improves chain engagement and retention
Hollow forged crank maximizes power transfer while limiting weight
Superior chain retention
Rigid and lightweight design for aggressive trail riding
Q-factor: 172mm
Chainline: 52mm chain line works with 142 or 148 O.L.D. (Prioritizes narrowest possible Q factor)
Compatible Bottom Bracket Type: Outboard
Compatible Chain: HG 12-speed
Bolt Circle Diameter: 96mm asymmetrical 4-bolt (direct mount spider)
Chainring sold separately
Rear Speeds: 12
Recommended Bottom Brackets: BB-MT800-PA (Pressfit); BB-MT800 (Threaded)
Bottom Bracket sold separately
Threaded BB Shell Width: 68/73mm
Weight: 608 g (28T)