25% Off Select Ibis Bikes | Specialized Gravel and Road Closeouts
Save 20% on Salsa, Surly, and All-City with codes SALSA20, SURLY20, ALLCITY20 in checkout.
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