Shimano FC-M315-B2 Crankset - 175mm, 7/8-Spd, ST
The SHIMANO FC-M315 mountain bike crank delivers precise and reliable shifting for 2x7 and 2x8-speed drivetrains. Hyperdrive system and SG-X chainrings provides consistent off-road front shifting Compatible with HG 6/7/8-Speed chains Includes crank fixing bolt 51.8mm Chainline 179.4mm Q-factor