Bike Bottom Bracket, 1.37x24T Mountain Road Bicycle 68‑73mm Aluminum Alloy BB Bottom Bracket Bike Accessory

Preminum Material: Bike bottom bracket is made of preminum quality aluminum alloy and nylon material, and with excellent craftsmanship, which is has higher metal strength, while maintaining the characteristics of lightness, high strength and light weight of aluminum alloy material.
Preminum Material: Bike bottom bracket is made of preminum quality aluminum alloy and nylon material, and with excellent craftsmanship, which is has higher metal strength, while maintaining the characteristics of lightness, high strength and light weight of aluminum alloy material.
Reasonable Design: Groove sealing is strong, and the newly designed end cover greatly improves the sealing performance of the drainage, while reducing the sealing resistance, and the appearance is more high‑end. And it brings you much convenience.
Suitable For: There is no resistance to lubrication, the separable rubber gasket has the characteristics of double‑side sliding, which will not increase the resistance to the rotation bearing, and the lubrication is high. And it is suitable for Mountain Bike / Road Bike / Fixed Gear Bike / Folding Bike.
Great Performance: Effective waterproofness, the separable rubber gasket can withstand the sliding gap, resulting in a gapless movement, preventing dust and moisture from bearing, and has good waterproofness. And it provides you better experience.

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