Through Authenticate 
◎ Chainring: 30T / 42T / 52T, 52 / 39 / 30T CNC highlighted outer ring.
◎ Crank: Forged 6061 / T6 alloy
◎ Length: 140, 152, 165, 170, 172.5, 175mm
◎ BCD: 130 / 74mm
◎ Axle length: 117.5mm
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Supplier Information
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◎ Chainring: 30T / 42T / 52T, 52 / 39 / 30T CNC highlighted outer ring.
◎ Crank: Forged 6061 / T6 alloy
◎ Length: 140, 152, 165, 170, 172.5, 175mm
◎ BCD: 130 / 74mm
◎ Axle length: 117.5mm
