This is a Shimano Altus FC-M311 Crankset.
Features:
- Hyperdrive SG-X chainrings
- Chainguard integrated design
Spindle Interface Type: Square Taper JIS
Number of Chainrings: Triple
Crank Length: 170mm, 175mm
Rings: 42/32/22t
This product was added to our catalog on February 26, 2020