| Trialbike |
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- Integrated outside bearing BB
- Chainring: 42/28T, 40/28T, 38/24T, 36/22T. Teeth 6061/T6 CNC or 7075/T6 CNC or Steel or alloy(Pressed chainring)
- Crank: Forged 6061/T6 Alloy
- Length: 170,175mm
- BCD: 104/64mm
- Speeds: 9~12s
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