Mon - Fri: 9:30am - 6:00pmSat: 9:30am - 3:00pmSun: Closed
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