4Pcs Professional Tire Valve Extension Adapter, 135 Degree Tire Valve Stem Extension, Tire Valve Elbow Extender, for Car Truck Motorcycle Bike (Gold) Folded Angle Design. Successfully solve the following problem: You cannot use the floor pump to check tire pressure or inflate the tire due to the lack of space between the tire valve and the wheel spokes. of anti-corrosion solid brass, metal dust cover, strong and durable.Universal valve extenders, excellent sealing ability, enjoy easy access to your hard-to-reach front and rear valve stems. reach, allow inflation/deflation through the built-in valve core. Easy installation, just remove the existing dust cap and screw it on. The adapter screws onto the valve then you attach a pump/line to the other end. This tire stem extension fits all passenger cars, trucks, motorcycles, trailers, vehicles camping and recreational vehicles with standard US tire valves.