Features: 1. Wide Application: Compatible with 90CC ATV go karts, hand trucks, dollies, carts, wagons, utility carts, lawnmowers, wheelbarrows, generators, snowblowers, wood chippers, air compressors, yard trailers, and other wheeled equipment. 2. Durable Rubber Material: The 145/70-6 inner tube is constructed from heavy-duty butyl rubber for long-lasting performance, suitable for home, professional, commercial, and industrial tire applications. 3. Anti-Puncture Design: The 145/70-6 tire inner tube offers excellent self-sealing properties that help prevent air loss from punctures by forming an airtight seal around the hole, enhancing safety during use. 4. Valve Stem Included: Equipped with a TR13 straight valve stem with a 1.5-inch offset from the center. The stem measures 1.38 inches in length and 0.453 inch in diameter, designed to fit 1/2-inch rim holes, commonly used on lawn, garden, and utility inner tubes. 5. Shock Absorbing Performance: The rubber construction of the 145/70-6 tire tube provides enhanced elasticity and damping effect, working effectively with vehicle suspension systems to deliver a smoother and more comfortable ride. Specifications: Item Type: 145/70-6 Tire Inner Tube Material: Rubber, Metal Alloy Stem Type: Straight Metal Stem Application: Fits front or rear 145/70-6, 450/530-6 tires or wheels; also compatible as a replacement for 4.50-6, 5.30-6, 5.30/4.50-6, and 145/70-6 sizes Package List: 2 x 145/70-6 Tire Inner Tube