CRANK MATERIAL:FORGED ALLOY-6061-T6
CRANK LENGTH:165,170MM
CHAINRING:42,44,46,48,50T
CHIANRINGS MATERIAL:5MM 7075-T6
PCD:130MM
CHAINLINE:45MM
B.B.Axie:103MM（17-68-18R）
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鋁合金鍛件生產廠家
鋁合金制品鍛造加工
CRANK MATERIAL:FORGED ALLOY-6061-T6
CRANK LENGTH:165,170MM
CHAINRING:42,44,46,48,50T
CHIANRINGS MATERIAL:5MM 7075-T6
PCD:130MM
CHAINLINE:45MM
B.B.Axie:103MM（17-68-18R）
