About this item

• 【Fitment】: Brand new 4.50/4.00-12 inner tube, can replace 4.00-12, 4.50-12 inner tubes for front tractor, implement,trailer and lawn & garden tractor and some dirt pit bike off-road bike tires
• 【Material】: 4.00-12 inner tube is made of isobutylene isoprene rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber.
• 【Valve】: Rubber-coated TR13 straight valve stems provide a stronger seat seal, and the rugged rubber seat prevents it from tearing away from the 4.50-12 inner tube
• 【Size】: 4.50/4.00-12 inner tube means that it is suitable for use on wheels with a cross-sectional width of 4.00 to 4.50 inches and with 12-inch hubs.
• 【Package】: 2 pack of 4.50/4.00-12 inner tubes