2PCS M8 Bicycle Bottom Bracket Axle Bolts MTB Road Bike Crank Screws Alan Cranksets Cycling Accessory Parts

Features:Waterproof bottom bracket nuts for mountain bikes can effectively prevent water, sand, dust, etc.from entering the bottom bracket, effectively increasing the service life of the bottom bracket.Mountain bike road bike dead-speed bottom axle steel waterproof screw, diameter 8mm,suitable for ordinary square hole bottom axle, bottom axle is not suitable, use two screws on bottom axleSpecifications:Material: SteelWeight: about 28gApplication: Bicycle square hole centralSuitable for 8mm wrenchPackage Contents:2Pcs * screw