BikeMaster Valve Stems (10mm / 11.3mm) (Red) At BikeMaster, they understand the quality and performance that motorcycle owners demand. They also understand that quality should be affordable. Not just for professional riders and mechanics, but for the everyday rider / mechanic as well. That is why BikeMaster continues to bring that level of quality and performance to all riders with their complete line of tools, parts and accessories at affordable prices.High quality, lightweight, solid aircraft aluminum body.Includes quality valve, mou rubber stems.Will not be cut by road debris.Color anodized for corrosion protection.Sold in a 2-pack (front and rear included).Note: All valve stems are 11.3 mm (fit O.E.