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    1. 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。

      R41D-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"ANODIZED

      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"ANODIZED

      COMPATIBILITY:9S/10S

      PCD:130MM

      CHAINLINE:43.5MM

      B.B.Axie:127.8MM