1、Wide Application: Fit for 90CC ATV go karts, hand trucks, dollies, trollies, 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 145X70‑6 450/530‑6 inner tube is made from heavy duty butyl rubber for long lasting using, perfect for home, professional and commercial, industrial use in tire application. 4、With Valve Stem: The tube comes with TR13 straight valve stem, which has a 5in offset from the center of the tube. With a length of 38 inches and a width of 0.453 inch, fits 1/2‑inch rim holes, used on most lawn garden and utility inner tubes. 5、Shock Absorbing Riding: The rubber 145/70‑6 tire tube can deliver better elastic damping effect, work effectively in tandem with the bikes suspension system to provide you with the most comfortable riding experience. 3、Anti Explosion Tube: 145/70‑6 tire inner tube features excellent self sealing properties that prevent explosive punctures by creating instantaneous air tight seals around puncture holes, greatly making sure your safety.