- Chainring: 42, 44, 46, 48T
- Crank: Alloy 170mm
- BCD: 104mm
- Chainline: 50mm
- Axle length: 113.5mm
- BB-Axle:


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Single SS-8131W - Chainwheels & Cranks
Detail - Steel or alloy chainwheel, alloy chain guard with alloy crank
- Chainring: 42, 44, 46, 48T - Crank: Alloy 170mm - BCD: 104mm - Chainline: 50mm - Axle length: 113.5mm - BB-Axle: ![]() ![]() |