Through Authenticate 
◎ Integrated outside bearing B.B.
◎Chainring: 39 / 53T teeth (7075 / T6) CNC
◎Crank: Forged 6061 / T6 Alloy
◎Length: 140, 152, 165, 170, 172.5, 175mm
◎BCD: 130mm
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Supplier Information
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◎ Integrated outside bearing B.B.
◎Chainring: 39 / 53T teeth (7075 / T6) CNC
◎Crank: Forged 6061 / T6 Alloy
◎Length: 140, 152, 165, 170, 172.5, 175mm
◎BCD: 130mm
