产品描述
Crank | 170mm (Forged Al6061-T6) |
Chainring | 50T/51T/53T (AI6061-T6 CNC) |
BB (Bottom Bracket) | Taper Square 110.5mm |
BCD | 130mm |
Chain line | 44.5mm |
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Shenzhen Jiankun Sporting Goods Co., Ltd.
No. 10, Zhenxing Road, Liyuhe Industrial Zone,
Gongminglou Village, Shenzhen
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