sealed bottom bracket screw can effectively avoid the impact of external sand and soil on the bottom bracket and reduce the service life
Stable Construct--High quality aluminum alloy, high hardness, wear resistance, resistance, anti-rust.
Long Service Life--Finely crafted, colorful, light weight. Smooth , waterproof and dustproof, no fading and in using.
High Quality--Fine workmanship, smooth , small dimensional error, and good compatibility with other parts, Increase service life, and reduces friction and noise

Colour:Black
Material:Aluminum alloy
Size:24.4x20.53mm

Package Contents:
2 * Bottom Bracket Screw