AR-PRO 3.50/4.10-18 Dirt Bike Inner Tubes with TR4 Straight Valve, Universal Heavy Duty 100/90-18″ 100/100-18″ 110/80-18″ 110/90-18″ Off-Road Motorcycle Tube and More (2-Pack)

Product description

3.50/4.10-18″ Dirt Bike Inner Tubes – Universal fit inner tubes fit most dirt and pit bikes with 18-inch rims and tires are between 3.50 to 4.10 inches wide, ensuring compatibility and versatility for your dirt bike.
18″ Dirt Bike Inner Tubes with TR4 Valve – These 18-inch dirt bike inner tubes match the exact size of 3.50/4.10-18″ 100/90-18″ 100/100-18″ 110/80-18″ 110/90-18″ 120/80-18″ 3.50-18″ 4.00-18″ dirt bike tires. Equipped with durable TR4 valve stems for reliable performance on tough terrains.
Heavy-Duty Butyl Rubber Construction: Made from premium butyl rubber, this off-road motorcycle inner tube offers superior durability, shock absorption, puncture-resistant, and airtight performance. It resists aging, and temperature changes for longer service life.
Enhanced Riding Comfort On and Off the Trail – This butyl rubber replacement dirt bike tire tube cushions bumps and rough terrain for a smoother, safer ride. Great for a smoother ride in any season.
Installation Tips for Best Results: Slightly inflate the inner tube before installing to prevent twists. Avoid using sharp tools, and ensure the tire bead is evenly seated. A proper fit ensures better sealing and riding performance.