2pcs 7.8 inch Valve stem extension can be applied to various types of vehicles with a single tire width of less than 7.8 inches, or a dual tire width of less than 7.8 inches. Small and convenient, easy to carry, suitable for fast inflating the vehicle in any situation.
Universal connector
Our connector adopts a 360-degree rotating universal size, which can fit 99% of the valve cores and air pumps of car models. For example: RVs, truck, bicycles, car, Balance car, motorcycles, ATVs, Trailer and more.
U-shaped chuck
High-strength carbon steel U-shaped chuck and screw design. The U-shaped chuck can be fixed on hubs of different sizes (0-0.59inch). The chuck is tightly locked on the hub by rotating the screw, which prevents the extension stem from falling off the valve core.
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