Features and Benefits:�Rim hole: 0.453 in.�Length: 1-1/4 inches�ALLIGATOR Rubber snap-in valves with CHROME sleeves are produced at corresponding OEM requirements which are significantly higher than ETRO or TR norms.Rubber snap-in valves are suitable for all steel and aluminium rims up to a speed of 130 mph. (At speeds greater than 130 mph, metal valves (clamp-in) or valve supports must be used in order to limit the valve deflection to a maximum angle of 25 degrees.)