Aluminum Alloy Road Bike Bottom Bracket Gasket Bicycle Flywheel Hub Washer Spacer Red

1、O‑Ring Is Made Of Aluminum Alloy To Assure Durability, Heat Resistance, Oil Resistance, And Corrosion Resistance. 2、The O‑Ring Is About 2 Mm Thick, The Outer Diameter Is About 39.8 Mm, And The Inner Diameter Is About 39 Mm. It Is Lightweight, Easy To Install And Remove, And Easy To Use. 3、Suitable For Adjusting The Chassis, Steering Wheel Or Bicycle Hub, The Gasket Will Not Accumulate Dust Or Oxidation. 4、Different Color Settings Meet Your Different Needs, Ensuring That Your Bike Is Full Of Appeal. 5、Can Be Applied To Bb Axle. The Package Contains 15 O‑Rings, Which Provide You With An Economical Replacement, Suitable For Various Applications, Enough For Your Daily Use And Replacement.