Shimano M311 Altus crankset, triple chainset with a 28/38/48 tooth gear ratio. 7/8 speed gearing ratio. 170mm crank arm length with a square taper bottom bracket. Black colour.
- Shimano M311 Altus Crankset
- Triple 7/8 Speed Ratio
- 28/38/48 Tooth Ratio
- 170mm Crank Arm Length
- Square Taper Cranks
- Includes Left Hand Crank Arm
- Black Finish
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