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Shimano's Altus FC-M311 is of a rigid 2-piece construction with Hyperdrive SG-X chainrings for fast and smooth gear shifting performance for off road enthusiasts. The crankset is Dual SIS compatible and comes with a pre-installed chain guard.
. Shimano Series: Altus M310
. Gears: 42-32-22T
. Number of arms: 4
. Chainring BCD: Riveted
. Hyperdrive SG-X chainrings
. Gradation: Triple
. Length of Cranks: 175mm
. 7/8 speed compatible
. Chain Compatibility: 3/32"
. Integrated chainguard
. Colour: Black
. BB axle length: 123mm (Not Included)