VGEBY VGEBY BB Bottom Bracket Road Mountain Bikes 6873mm BB Bottom Brackets Bracket KitBlack

Good performance The bottom bracket 73mm can withstand the sliding spacing resulting in a gapless movement preventing dust and from bearing and has good waterproofness No lubrication The bottom bracket separable rubber gasket has the characteristics of doubleside sliding which will not increase the to the rotation bearing and the lubrication is high Stable sealing The bottom bracket sealing is strong designed end cover greatly improves the sealing performance of the drainage while reducing the sealing resistance and the appearance is more highend Direct crank power transmission The bottom bracket aluminum alloy shaft bushing makes the crank power transmission more direct without plastic elasticity causing power loss and bearing damage and has better rigidity High strength and lightweight The bottom bracket has higher metal strength while maintaining the characteristics of lightness high strength and light weight of aluminum alloy material