The 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 bikes.

Spindle Size: These cranks use Shimano's standard 24mm spindle.

Chainring: 4 bolt, 96mm BCD, 30t/32t.

Crank arm length: Available in 170mm only

Chainline: 52mm chainline for compatibility with Boost and non-Boost frames.

Materials: Anodised aluminium crank arms, plated steel spindle, painted steel chainring.

Pros: 96mm BCD chainring is pretty well established so there will be plenty of aftermarket options available.

Cons: