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) - size: 3.50/4.10-18"

About this item

• 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.

Overview

• Brand: AR-PRO
• Valve Type: TR4
• Material: Butyl Rubber
• Wheel Size: 18 inches
• Item Diameter: 18 inches