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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。

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)

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