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。

B31-MX

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:48/38/28T

OUTER CHAINRING:CNC ALLOY "BLACK"ANODIZED

CENTRE CHAINRING:ALLOY "HA"PAINTED

INNER CHAINRING:ALLOY "HA"PAINTED

COMPATIBILITY:9S/8S

PCD:104/64MM

CHAINLINE:47.5MM

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

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:48/38/28T

OUTER CHAINRING:CNC ALLOY "BLACK"ACODDIZED

CENTRE CHAINRING:ALLOY "HA"PAINTED

INNER CHAINRING:ALLOY "HA"PAINTED

COMPATIBILITY:9S/8S

PCD:104/64MM

CHAINLINE:47.5MM

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