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||165/170/172.5mm (Forged Al7050-T6)|
|Axle||BB29 Forged Al7075-T6|
713L 49mm(6mm offset)
714L 52mm(3mm offset)