Description
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
- Number of Chainrings: Triple
- Color: Black
- Chainline/Hub Compatibility: 135/142 MTB Hubs
- Pedal Spindle: 9/16″
- Crank Intended Use: Mountain
- Crank Length (mm): 170
- Rings: 48/38/28
- Spindle Interface Type: Square Taper JIS
- Drivetrain Speeds: 7 , 8
- Defined Color: Black
- Chainring BCD: Riveted
- BB Included: No
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