This story appears in the Nov. 2 print edition of Transport Topics. A tiny rock, de-icing material or salt and sand can start the process of turning a perfectly good wheel into a rust-covered ...

For a tire to hold its inflation, a clean, smooth rim surface is essential. Environmental factors, salt, lubricants, water and other contaminants can cause damage to the rim’s surface area over time.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? If you love tools, you’ve probably experienced the odd, magnetic power that old, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? An ominous brown stain on the fender. A bubble in the paint at the bottom of a door.