Feature: 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. 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. 4. With Valve Stem: The tube comes with TR13 straight valve stem, which has a 1.5in offset from the center of the tube. With a length of 1.38 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. Specification: Item Type: 145/70‑6 Tire Inner Tube Material: Rubber, metal alloy Stem Type: Straight Metal Stem Application: Fit for your front or rear 145X70-6 450/530-6 Tire or Wheel: also a replacement tube for 4.50-6, 5.30-6, 5.30/4.50-6 and 145/70-6. Package List: 2 x 145/70‑6 Tire Inner Tube