产品介绍
Crank(曲柄) | 165/170/172.5/175mm(Forged Al7050-T6 CNC) |
Chainring(链轮) | 30/46T,34/50T,36/52T,39/53T,35/49T,37/51T(AI7075-T6 CNC) |
Axle(轴心) | BB29 Forged Al7075-T6 |
Chain line(链线) | 44mm |
BCD | 41mm |
Speed(变速) | 2x12s/2x11s |
Q-Factor(Q 值) | 148mm |
Weight(重量) | 700g(170,34/50T) |
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