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This invention is improve integral screw nut of conventional quick-release hub to include a screw nut with a washer
It can be used in 22mm 24mm 29mm 30mm Quick release bearing
we specially studied the improvement of non-toxic material thus adopted non-toxic thermal plastic rubber with better weather-resistance and hot-resistance
High-precision bearings and AWAKE GREASE in the hub ensure a consistently smooth ride mile after mile
Spoke Count: 14/18H
Propelling BB 30 Ultra Color:Black This invention is improve integralPress fit BB fit 46mm diameter suitable for 30mm and Sram DUB 28. 99mm in addition with ceramic ball angular contact bearing make the riding efficiency.