How to Remove Rust From Bike Gears

Bike chains weaken when exposed to rust.

Bike chains are often susceptible to rust due to wet or rough riding conditions. Bikes that are often left outside can accumulate rust from rainy or humid weather. Using WD-40 or a form of degreaser to spray the bike chain and gear sprockets is a great way to loosen and remove rust. Coating the gears and chain, and using a rag to wipe them can remove rust and allow them to perform to maximum ability.

Things You'll Need

• WD-40
• Degreaser
• Shop rag

Instructions

1. Spray the bike chain and gear sprockets with WD-40. This will loosen the rust from them. Allow the WD-40 to soak for at least 2 minutes. Turn the pedals of the bike to allow the WD-40 to reach all the moving parts in the process.

2. Pour or spray a degreaser onto the bike chain and gear sprockets. Allow the degreaser to soak for at least 2 minutes.

3. Use a shop rag to wipe the chain and gear sprockets. Run the shop rag along the inside and outside of the chain. Move the pedals of the bike to reach all the rust points on the chain.

References

• Utah Mountain Biking: Chain Maintenance
• Wheels and sprocket: How to Clean Your Chain and Drivetrain