兰溪市驰航机械股份有限公司主要生产铝合金锻件,拥有多年的铝合金制品锻造加工经验。

R21-XD2W

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:53/39T

OUTER CHAINRING:STEEL "SILVER"PAINTED

INNER CHAINRING:STEEL "SILVER"PAINTED

COMPATIBILITY:9S/8S

PCD:110MM

CHAINLINE:47.5MM

B.B.Axie:113MM(23-68-22R)

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:53/39T

OUTER CHAINRING:STEEL "SILVER"PAINTED

INNER CHAINRING:STEEL "SILVER"PAINTED

COMPATIBILITY:9S/8S

PCD:110MM

CHAINLINE:47.5MM

B.B.Axie:113MM(23-68-22R)