Mellbree Tire Valve Extensions, 8.25 Inch Flexible Schrader Tire Valve Stem Extension with 90 Degree Schrader Tire Valve Stem Extension Adaptor Compatible for Harleys, RV, Bicycles, Motorcycles（2pcs）

These long flexible tire air valve extenders successfully solved a series of operations such as inability to pump or check air pressure due to insufficient space between the valve and the spokes, or the inconvenient position and angle of the valve. Due to the built-in valve core, it can allow inflation and deflation, which is convenient and quick.
The threaded head on the valve extenders is screwed on the existing valve stem, and the included end cap replaces the existing valve stem cover. However, when you're removing the tire valve extension, more air escapes that you would like. No problem...just remember to over-inflate by a pound or two so when you remove, you can adjust a bit with your checker.
The tire valve extension joint is made of brass, which has strong wear resistance. Equipped with rubber sealing ring and sealing cover, durable. The bottom of the extension piece rotates freely, which is easy to operate, convenient and efficient.
These tire valve extensions are rubber hoses, flexible and durable, and strong plasticity. With rim clamps, you can work more efficiently, check the pressure and fill the air.
These tire valve extensions suitable for most bicycles, motorcycles, strollers, trailers, RVs with standard American tire valves.