VeloTubes 20 x 4.0 33mm Schrader (Auto) Valve, Durable Butyl Rubber Fat Bike Inner Tube, Bicycle Inner Tube for Bike Tire (Pack of 2)

Made with Quality: Crafted from high-quality butyl rubber, each bike inner tube is built for durability, fewer flats, and long-lasting performance. Every bicycle inner tube is checked for 24 hours to ensure reliability. Easy to Install: Our fat bike replacement inner tubes fit quickly for hassle-free installation, getting your bicycle tire tubes back on the trail without delays. Fits Perfectly: Our fat bike tubes are compatible with wheel-sized 20”, ensuring a precise fit for your bike tire tube, bike innertube, or inner tube for bike tires. Schrader Valve: Each bicycle tire tube has a sturdy 33mm Schrader (Auto) valve stem for reliable inflation and easy maintenance, making them ideal inner tubes for bike tires and mountain bike inner tubes. Durable Tube: Built tough with high-strength materials, our bike tire tubes withstand rugged trails, making them the perfect choice for fat bike tubes.