Shimano, Altus FC-M311, Crankset, 7/8 sp., 175mm, 28/38/48T, Riveted, Square, 50 mm, Black

himano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains.

- Hyperdrive SG-X chainrings

- 7/8-speed compatible

- Spindle interface type: Square Taper JIS