Zinc Zinc Alloy Square hole Waterproof Crankset Screw Crank Screws Bottom Bracket Screw Bottom Bracket Bolts

Label:Yes Color: Black/Red/Gold/Blue Size: 24.3 * 16.3 * 20.7mm Type: Square Hole Bottom Bracket Screw Material: 7075 Aluminum Zinc Zinc Zinc Zinc Alloy Packing List: 2pcs Screws

Features: Light Weight, High Strength. It Can Effectively Prevent Water/Sand/Dust From Entering The Bottom Frame And Increase The Service Life Of The Bottom Frame. The Screws On The Original Bicycle Are Easy To Rust And Affect The Appearance. Our Products Are Made Of 7075 Aluminum Zinc Zinc Zinc Zinc Alloy, Which Is Not Rusty And Corrosion-Resistant.