Color options Fits any Schrader valve Good no nonsense valve cap Now you can replace those tired old plastic Schrader valve caps with one of our metal valve stem cap Our machined aluminum valve caps will fit on any Schrader-style valve stem as typically found on bicycles, motorcycles, scooters, automobiles, and any other tire using an inner tube Description Now you can replace those tired old plastic Schrader valve caps with one of our metal valve stem cap. Our machined aluminum valve caps will fit on any Schrader-style valve stem as typically found on bicycles, motorcycles, scooters, automobiles, and any other tire using an inner tube. We offer these aluminum valve caps in your choice of three colors; black (shown above), purple, or silver.,