AR-PRO 2.75/3.00-21" Dirt Bike Inner Tube, 90/90-21 80/100-21 Heavy Duty Motorcycle Tube with TR4 Staight Valve Stem, Made from Thick Premium Rubber (1-Pack)

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• Perfect Fit for 21-Inch Dirt Bike Wheels: This heavy-duty motorcycle inner tube is compatible with 2.75/3.00-21 dirt bike tires and fits sizes 90/90-21, 90/80-21, and 80/100-21. Designed for 21-inch dirt bike wheels, it features a reliable TR4 valve stem for easy installation and a snug fit on many off-road and adventure motorcycles.
• Thick Premium Rubber for High Durability: Crafted from extra-thick rubber, this 21 inch dirt bike inner tube offers excellent shock absorption on rugged trails. Built for motocross, dual-sport, and trail bikes, its high-resilience rubber helps resist pinch flats and punctured during aggressive rides over rocks, roots, and uneven terrain.
• Seamless Construction Minimizes Air Leaks: The seamless design of this motorcycle tube reduces the risk of air leaks and helps maintain steady pressure for longer. Whether you're riding in the heat, cold, or mud, it delivers consistent performance, making it a dependable front inner tube for dirt bikes and off-road motorcycles.
• Fits Popular Dirt & Adventure Bikes: Compatible with leading models like Honda CRF250L, XR650L, Yamaha YZ125, Suzuki DRZ400, KTM 300XC, Kawasaki KLR650, BMW F800GS, and more. Always check your tire sidewall for correct size—this dirt bike inner tube is a versatile replacement for many front 21-inch wheels.
• Ready for All Seasons and All Terrain: From rocky hills to muddy tracks, this heavy-duty 2.75/3.00-21 motorcycle tube performs in every condition. Heat- and cold-resistant, it's ideal for motocross racing, long-distance touring, and weekend trail riding—making it a must-have for dirt bike enthusiasts.