The Shimano Altus FC-M311 42/32/22 Crank Set is an entry level 7/8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts.
Key Features
- Hyperdrive SG-X chainrings for fast and smooth gear shifts
- For use with 123 mm square taper bottom brackets
- 7/8-speed compatible steel chainrings
- Axle profile bottom bracket 4-sided