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.
|Crank||170mm (Forged Al7050-T6)|
|Axle||BB24 Forged Al7075-T6|
|BCD||130mm / 110mm|