Review on Dsycar 12 Pack Chrome American Flag Valve Stem Cap Aluminum Hexagon Design, With Rubber Ring, Universal Fits Cars, Trucks, Motorcycles, Bicycles (Hexagon Silver/American Flag) by Tim Harris

These seem to work TOO well, as in I went to take them off this morning because I have low tire pressure thanks to the cold, and literally these valve stem caps have SEIZED onto my stems. Even with 2 pairs of pliers, one holding the stem and one turning the cap, they WILL NOT come off and the entire stem starts to turn. Whatever metal these are made of corrodes over time and will destroy your valve stems. It’s been just over a year having them. STAY AWAY!