Shimano Altus FC-M171/M311 Cranksets
- Hyperdrive SG-X chainrings
- Chainguard integrated design
- Pedal Spindle: 9/16"
- BB Included: No
- Chainring BCD: 64 , 104
- Color: Black
- Defined Color: Black
- Crank Intended Use: Mountain
- Number of Chainrings: Triple
- Drivetrain Speeds: 7 , 8
- Spindle Interface Type: Shimano Octalink V2