Shimano Altus FC-M311 Crankset - 170mm 7/8-Speed 48/38/28t Riveted Square Taper JIS Spindle Interface Black

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