If you're dealing with a flat ATV tire, this heavy duty inner tube is exactly what you need to get back on the trail. The size is 22x11-8, but here's the cool part - it actually fits multiple tire sizes including 18x8.50-8, 20x10-8, 22x11-8, 22x12-8, and even 22.5x10-8. The metal valve stem is built tough to handle rough terrain and won't snap off like cheaper rubber valves might. Made from durable rubber that can handle the bumps, rocks, and whatever else you throw at it during your off-road adventures. Installation is pretty straightforward if you've changed ATV tires before - just make sure to check the tube for any twists before fully inflating. Keep one of these in your garage or take it with you on rides - because let's face it, flats always seem to happen when you're farthest from help. Much better than waiting for a tow or walking back to civilization!