- -: Teeth: 6061/T6 CNC or 7075/T6 CNC
- Crank: Forged 6061/T6 alloy
- Length: 165, 170, 172.5, 175mm
- Speeds: 9~12s
- BB-Axle:

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ROAD (GRAVEL) SS-421 - Chainwheels & Cranks
Detail - Chainring: 40, 42, 44, 46, 48, 50, 52T
- -: Teeth: 6061/T6 CNC or 7075/T6 CNC - Crank: Forged 6061/T6 alloy - Length: 165, 170, 172.5, 175mm - Speeds: 9~12s - BB-Axle: ![]() |