4.10/4.50-18" Heavy Duty Dirt Bike Inner Tube with TR4 Straight Valve for 110/100-18,110/90-18,110/80-18,120/90-18,120/80-18,100/100-18 Motorycle Rear Tire

["4.10/4.50-18\" Dirt Bike Inner Tubes - These heavy duty motorycle inner tubes (2-pack) fit most dirt and pit bikes with 18-inch rims and tires between 4.10 and 4.50 inches wide, ensuring compatibility and versatility for your dirt bike.","18\" Dirt Bike Inner Tubes with TR4 Valve - These 4.10/4.50-18 heavy-duty inner tubes match the exact size of 4.10-18, 4.50-18, 110/100-18, 110/90-18, 110/80-18, 100/100-18, 120/90-18, 110/80-18 dirt bike tires. Equipped with durable TR4 valve stems for reliable performance on tough terrains.","Multiple Dirt Bike Brands - Designed for motocross and enduro use, these inner tubes fit several dirt bike brands and models, including Compatible with Yamaha TTR230/TTR250, Honda CRF230/CRF250, Suzuki DRZ250/DR200/RM250, Kawasaki KDX200/KLX250, TaoTao Coolster and more.","Riding Comfort On and Off the Trail - Made from thick butyl rubber, 4x stronger than average, these inner tubes are puncture-resistant and excellent shock absorption, reducing vibrations and hard impacts for a smoother ride in any season.","Self-Sealing Inner Tubes and Notice - Stay safe with inner tubes that self-seal around puncture holes, preventing rapid air loss. an extra layer of security on your rides. When replacing the inner tube, refrain from using sharp tools. When changing a inner tube, inflate it slightly to avoid twisting and check that the tire bead is evenly seated on both sides of the rim."]