Review on 20pcs Black Plastic Valve Stem Caps - Universal for Cars, SUVs, Bikes, Trucks, and Motorcycles by Troy Larson

Suitable for both cars and motorbikes. You get a bundle in one package and it's great to have extra caps on hand. My 7 year old loves tinkering with his bike and twisting little black hats is one of his favorite things to do. Once they hit the garage floor, they're lost forever. This is your standard black cap. They turn easily. Good product!