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-XD2

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:53/42/30T

OUTER CHAINRING:STEEL "SILVER"PAINTED

CENTER CHAINRING:STEEL "SILVER"PAINTED

INNER CHAINRING:STEEL "SILVER"PAINTED

COMPATIBILITY:9S/8S

PCD:110/74MM

CHAINLINE:45MM

B.B.Axie:110MM(21-68-21R)

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:53/42/30T

OUTER CHAINRING:STEEL "SILVER"PAINTED

CENTER CHAINRING:STEEL "SILVER"PAINTED

INNER CHAINRING:STEEL "SILVER"PAINTED

COMPATIBILITY:9S/8S

PCD:110/74MM

CHAINLINE:45MM

B.B.Axie:110MM(21-68-21R)