Through Authenticate 
◎ Integrated outside bearing B.B.
◎ Chainring: 53T / 39T Teeth (7075 / T6) CNC
◎ Crank: Forged 6061 / T6 Alloy
◎ Length: 65, 170, 172.5, 175mm
◎ BCD: 130mm
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Supplier Information
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◎ Integrated outside bearing B.B.
◎ Chainring: 53T / 39T Teeth (7075 / T6) CNC
◎ Crank: Forged 6061 / T6 Alloy
◎ Length: 65, 170, 172.5, 175mm
◎ BCD: 130mm
