色欲久久久久久综合网综合网_熟妇高潮一区二区精品_欧美熟妇另类久久综合久_久久久久久久亚洲精品

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。

FB-NY(AC)

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52T

CHAINRINGS MATERIAL:STEEL

PCD:144MM

CHAINGUARD:G54AC ALLOY (CNC)

CHAINLINE:45MM

B.B.Axie:120MM(24-68-28R)

CRANK MATERIAL:FORGED ALLOY-6061-T6

CRANK LENGTH:170MM

CHAINRING:52T

CHAINRINGS MATERIAL:STEEL

PCD:144MM

CHAINGUARD:G54AC ALLOY (CNC)

CHAINLINE:45MM

B.B.Axie:120MM(24-68-28R)