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。

B21-MX

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:42/32/22T

OUTER CHAINRING:STEEL "BLACK"PAINTED

CENTRE CHAINRING:STEEL "BLACK"PAINTED

INNER CHAINRING:STEEL "BLACK"PAINTED

COMPATIBILITY:8S

PCD:104/64MM

CHAINLINE:47.5MM

B.B.Axie:110.5MM(22-68-20.5R)

CHAINGUARD:G4XE42

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:42/32/22T

OUTER CHAINRING:STEEL "BLACK"PAINTED

CENTRE CHAINRING:STEEL "BLACK"PAINTED

INNER CHAINRING:STEEL "BLACK"PAINTED

COMPATIBILITY:8S

PCD:104/64MM

CHAINLINE:47.5MM

B.B.Axie:110.5MM(22-68-20.5R)

CHAINGUARD:G4XE42