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蘭溪市馳航機械股份有限公司主要生產(chǎn)鋁合金鍛件，擁有多年的鋁合金制品鍛造加工經(jīng)驗。

R40C-YD（O）

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52/42T,53/39T

OUTER CHAINRING:100% CNC ALLOY "HBK"ANODIZED

INNER CHAINRING:CNC ALLOY“HBK”ANIDIZED

COMPATIBILITY：9S/10S

PCD:130MM

CHAINLINE:43.5MM

B.B.Axie:127.8MM

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52/42T,53/39T

OUTER CHAINRING:100% CNC ALLOY "HBK"ANODIZED

INNER CHAINRING:CNC ALLOY“HBK”ANIDIZED

COMPATIBILITY：9S/10S

PCD:130MM

CHAINLINE:43.5MM

B.B.Axie:127.8MM

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