Shimano Deore FC-M5100 1x11-10 Speed Crank Arms - 24mm - Shimano Direct Mount - 52mm Chainline - Black - 170mm - 68-73mm - 30T algolia-ignore A variable width design helps

A variable width design helps with chain retention with clutch derailleurs and they are compatible with most chainguides

lightweight and comfortable

Neck: New revised neckline to improve comfort

Mounting style: Fixed mount with an angle adjusting alloy plate

Shimano Deore FC-M5100 1x11-10 Speed Crank Arms - 24mm - Shimano Direct Mount - 52mm Chainline - Black - 170mm - 68-73mm - 30T algolia-ignore A variable width design helpsThe Shimano Deore FC M5100 is a 2 piece crank that is compatible with both 1x11 and 1x10 drivetrains. The chainring mounts via 4 bolts with a 96mm BCD (bolt circle diameter) and the 178. 5mm Q factor and 52mm chainline is compatible with both 142mm or 148mm (Boost) rear hub spacing. Who's this item for: These cranks are a great choice for riders with 10 or 11 speed drivetrains that want a new set of cranks with up to date spec that will suit most