Maxxis Tube 3.50/4.00-19 TR4 (CSV) (P)

Trust the road to the Maxxis Tube 3.50/4.00-19 TR4 (CSV) (P). Built for 19-inch motorcycle rims and tires in the 3.50/4.00 width range, this inner tube delivers consistent inflation, reliable seating, and lasting performance when you ride, swap, or replace components on vintage and modern machines alike.

Why riders choose the Maxxis TR4 CSV inner tube

• Precise fit for 19-inch tires: Specifically sized for 3.50/4.00-19 tires, ensuring correct bead seating and stable handling across street, dirt, and mixed-terrain use.
• TR4 construction: Tuned for dependable performance in common 19" wheel setups, helping maintain air pressure and minimize the risk of pinch flats during tire changes or rides over uneven surfaces.
• CSV valve configuration: The CSV valve design is chosen to provide straightforward inflation with standard pumps and tools, reducing setup time after installation.
• Reliable air retention: High-quality butyl formulation helps resist slow leaks and maintains consistent pressure between rides, so you spend more time riding and less time checking air.
• Durable, ride-ready material: Engineered for everyday riding conditions, from city streets to backroad adventures, with a balance of flexibility and toughness to handle common road hazards.

Ideal use cases

Designed for riders with 19" wheels who run 3.50/4.00-19 tires, including classic bikes, scramblers, enduros, cafe racers, and vintage-era builds. Whether you’re restoring a beloved motorcycle or stocking up for regular maintenance, this tube helps ensure consistent performance, safer launches after flat repairs, and smooth, predictable steering response.

What makes this inner tube stand out

• Direct compatibility: Works with most 19" rims and 3.50/4.00-19 tire combinations without forcing hacks or cosmetic alterations to wheel components.
• Maintenance-friendly design: Simple replacement process that fits common workshop tools, making tire changes quicker and less frustrating.
• Long-term value: A dependable tube that stands up to routine maintenance cycles, reducing the need for frequent replacements in busy riding seasons.

Installation tips and care

Before installing, inspect the tire for embedded objects and the rim for sharp edges. Deflate completely, mount the tube with gentle bead seating, and verify the tube is not twisted before inflating to the manufacturer-recommended pressure. Regularly check for leaks, and re-inflate to the appropriate PSI after any long parking period or storage time to maintain optimal ride quality.

Specifications at a glance

• Size: 3.50/4.00-19
• Construction: TR4 inner tube
• Valve type: CSV
• Fitment: 19-inch motorcycle wheels
• Usage: Tubed tire systems for street, dirt, and mixed-terrain riding