Shimano FC-M311 Altus Square Taper Chainset size 42/32/22T | 170mm | With Chainguard

Key Features:

• 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