Mon - Thu: 10:00am - 6:00pmFri: 10:00am - 5:00pmSat: ClosedSun: 12:00pm - 4:00pm
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