Cranksets

- Steel chainring with forged alloy crank arms and double chainguard - Compatible with 3/32" chains - 45mm chainline - Spindle Type: 118 SQR JIS

Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains. - Hyperdrive SG-X chainrings - 7/8-speed compatible - Spindle interface type: Square Taper JIS