Shimano Altus FC-M311 Crankset - 170mm, 7/8-Speed, 42/32/22t, Riveted, Square Taper JIS Spindle Interface, Black, With Chainguard

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
• Chainguard model

• Rings: 42/32/22
• Number of Chainrings: Triple
• Drivetrain Speeds: 7
• Drivetrain Speeds: 8
• Chainring BCD: Riveted
• Chainline/Hub Compatibility: 135/142 MTB Hubs
• Color: Black
• Crank Length (mm): 170
• Crank Intended Use: Mountain
• BB Included: No
• Pedal Spindle: 9/16"
• Spindle Interface Type: Square Taper JIS
• Defined Color: Black