Maxxis Tube 4.00/4.50-19 TR4 (XCS) (100/110/90-19) (P)

Turn every ride into a confident, consistent performance with the Maxxis Tube 4.00/4.50-19 TR4 (XCS) (100/110/90-19) (P). Built to pair seamlessly with Maxxis TR4 XCS tires on 19-inch rims, this inner tube is engineered to deliver reliable air retention, predictable handling, and real-world durability for off-road adventures—from gnarly trail climbs to rugged enduro races.

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  Precisely sized for 4.00/4.50-19 rims — compatible with the common 100/110/90-19 tire dimensions, ensuring a secure bead seal and smooth, consistent inflation every time.
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  Durable butyl rubber construction provides low air permeability for longer intervals between pumps and stable pressure under demanding riding conditions.
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  TR4 XCS synergy — designed to work in harmony with Maxxis TR4 XCS tires, promoting reliable fit, even bead seating, and predictable traction on varied terrain.
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  Reinforced valve stem — built to withstand rough landings and aggressive cornering, reducing the risk of stem kinks or leaks in demanding rides.
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  Thickened shoulder design and robust sidewall support help resist pinch flats and punctures from rocks and roots, so you spend less time on the berm and more time on the trail.
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  Easy install with long-term reliability — engineered for straightforward mounting on standard dirt-bike rims, with dependable air retention for ride-after-ride confidence.

This inner tube is ideal for riders who demand practical performance in dirt, enduro, and motocross scenarios. If you’re upgrading or replacing worn tubes on 19-inch setups, the Maxxis Tube TR4 XCS pairing delivers consistent feel, steady handling, and peace of mind against common trail hazards.

Usage tips — verify valve seating before inflation, inspect the tube for any signs of wear after hard impacts, and follow the tire manufacturer's recommended pressures for your weight and riding style. For best results, install with rim tape in good condition and replace after any puncture or visible damage.