Shimano FC-M311 Altus, square taper, chainset17 August 2025
- Entry level 7/8-speed chainset offering slick hyperdrive shifting performance for off road enthusiasts
- Hyperdrive SG-X chainrings for fast and smooth gear shifts 7/8-speed compatible steel chainrings
- For use with 123 mm square taper bottom brackets
- Two version available with or without chain guard
Length | 170mm, 175mm |
---|---|
Type | Chain guard, Guardless |
Ratio | 42 / 32 / 22t, 48 / 38 / 28t |