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R8C-72BK-4C

Shenzhen Jiankun Sporting Goods Co., Ltd. was founded in 2012, specializing in the production of bicycle cranks, chain links, cassette underframe and other accessories. We have a complete set of production technology and professionals.

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ROAD 牙盘


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产品介绍

曲柄
160/165/170/172.5/175mm(Carbon+Ai7075-T6)
链轮
30/46T,34/50T,36/52T,39/53T,35/49T,37/81T(AI7075-T6 CNC)
轴心
Taper Square 103mm/M8
BB
BB Taper Square 103mm/M8
链线
44mm
BCD
44mm
变速
 2x12s / 2x118
O-Faclar
147mm
重量
610g1175,34.50T)

 

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