Product Description

Shimano FC-M311 Altus square taper chainset, 8-speed, 48 / 38 / 28T, black, 175 mm

Shimano FC-M311

Entry level Mega-9 chainset offering slick hyperdrive shifting performance for off road enthusiasts
Hyperdrive SG-X chainrings for fast and smooth gear shifts
9-speed compatible steel chainrings
For use with 123 mm square taper bottom brackets