Meet the Maxxis Tube 4.00/4.50-18 TR4 (CSV) (P) — a purpose-built inner tube designed for 18-inch motorcycle tires in the 4.00/4.50 width range. This tube is crafted for reliable inflation and dependable performance on tubed setups, making it a practical choice for riders who demand consistency from their ride.

• Precise sizing for 4.00/4.50-18 tires — engineered to fit tires in this common size class, helping ensure a snug, seal-tight fit on compatible rims.
• TR4 (CSV) valve — features the TR4 (CSV) valve configuration for secure inflation and compatibility with standard pump heads.
• Rider-friendly installation — designed for straightforward mounting and seating on compatible rims, reducing installation time during maintenance or tire changes.
• Consistent air retention — built to hold air reliably across a range of riding conditions so you spend more time on the road and less on repairs.
• Versatile for multiple riding styles — a practical choice for street, commuting, or light off-road riding on 18-inch bikes that use inner tubes.
• Trusted Maxxis build quality — engineered by a brand known for durability and precision in motorcycle tires and tubes.

Whether you’re upgrading your ride or restoring an older machine, the Maxxis Tube 4.00/4.50-18 TR4 (CSV) (P) offers a reliable, straightforward solution that complements your tire and wheel setup, helping you ride with confidence on 18-inch wheels.