Shimano Altus FC-M311 Crankset - 7/8-Speed Square Taper JIS Spindle

Shimano Altus FC-M311 cranksets feature aluminum crankarms with steel SG-X chainrings for smooth and reliable shifting.

Hyperdrive integrated SG-X steel chainrings provide precise and reliable front shifting

Proven 3-pc. design with sturdy aluminum crank arms (bottom bracket sold separately)

50mm Chainline / 187.9mm Q-factor