(2-Pack) 2.75/3.00-21" Inner Tubes 80/100-21 or 90/90-21 Heavy Duty Dirt Bike Inner Tubes, 2mm Thick, TR4 Valve, Fits HondaAfrica Twin CRF230, CRF250, CR250 Kawasaki KLR, KDX200 and More

(2-Pack) 2.75/3.00-21" Inner Tubes 80/100-21 or 90/90-21 Heavy Duty Dirt Bike Inner Tubes, 2mm Thick, TR4 Valve, Fits HondaAfrica Twin CRF230, CRF250, CR250 Kawasaki KLR, KDX200 and More

• Premium Material: Made from high-quality natural rubber, this 21 inch bike tube (2.75/3.00-21" / 80/100-21) delivers excellent elasticity and durability. The 2mm tube effectively absorbs shocks and bumps, making your dirt bike ride smoother on tracks, trails, and rough terrain.
• Wide Compatibility: This 21 inch inner tube fits most 80/100-21, 2.75/3.00-21 dirt bike tires and is widely compatible with popular models such as Honda Africa Twin, CRF230L, CRF250L, CRF230, CRF250, CR250, XR650L Kawasaki KLR650, KLR250, KDX200, KDX250 Suzuki DR350, DR250S, DRZ400, DRZ250 Yamaha YZ450F, YZ125 and more. Perfect for most dirt bikes, providing riders with a reliable and versatile replacement.
• Durable TR4 Valve Stem: Equipped with a TR4 straight metal valve stem, this 80/100-21 dirt bike inner tube provides a secure and airtight seal. The sturdy metal design resists bending and air leaks, ensuring long-lasting performance even during frequent tire changes or high-pressure rides.
• Superior Air Retention & Waterproof: The natural rubber ensures excellent waterproof performance and maintains stable air pressure. This 21 inch inner tube reduces air loss, requiring less frequent inflation and providing reliable performance for 21 bike tire tubes and 21 bike tubes.
• Safe & Stable: Provides stable support and shock absorption for off-road adventures. Perfect for dirt bike tube enthusiasts seeking 21" bike tubes with reliable performance on muddy, rocky, or uneven terrain, giving riders confidence in every ride.