[VIP The 1 year ] Index:4
Through Authenticate 
- Chainring options: BCD 64: 22-30T BCD 104: 30-52T
- Crank: Forged 6061/T6 alloy
- Length: 165,170, 175mm
- BCD: 104/64mm
- Chainline: 71.8mm
- Speeds: 9~12s
- BB-Axle:
(ISIS Drive) 
(JIS) 
(Ouside Bearing)
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Supplier Information
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(ISIS Drive) (JIS) (Ouside Bearing)
