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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。

    T41-NY

    CRANK MATERIAL:FORGED ALLOY-6061-T6

    CRANK LENGTH:170MM

    CHAINRING:46,48,50T

    CHIANRINGS MATERIAL:4MM 7075-T6

    PCD:144MM

    CHAINLINE:42MM

    B.B.Axie:103MM