Maxxis Tube Extra Heavy Duty 100/110/120/90 -19 TR4 (XCS)

Meet the Maxxis Tube Extra Heavy Duty 100/110/120/90 -19 TR4 (XCS), a purpose-built inner tube designed to stand up to rough trails and long days in the saddle. Crafted for 19-inch wheels, this tube covers a broad range of tire widths, delivering dependable air retention and durable performance when the going gets gritty.

Why this tube stands out

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  Extra heavy‑duty construction: Thick, quality butyl rubber combines with a robust profile to resist pinch flats and punctures on rocky trails and harsh terrains.
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  Wide 19" compatibility: Formulated to fit a spectrum of tire widths commonly used on 19" rims, making it a versatile choice for riders who switch between front and rear setups.
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  Reliable air retention under demanding conditions: Designed to maintain consistent tire pressure throughout rugged rides, reducing downtime and the need for frequent reinflation.
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  TR4 (XCS) engineering: Part of Maxxis’ rugged TR4 line, engineered for steady seating and dependable performance in off-road and adventure riding scenarios.

Ideal riders and use cases

• Enduro and full‑trail riders who push through rocks, roots, and gravel and need a tube that won’t let them down.
• Adventure riders touring remote regions where roadside repairs aren’t guaranteed, valuing durability and reliable seating above all.
• Dual-sport athletes who switch between street and off‑road riding and want a single, versatile inner tube for multiple tire widths.

Practical tips for best results

• Install with the tire bead seated evenly and inflate gradually to the tire manufacturer’s recommended pressure range to avoid pinching.
• Always verify the tube is positioned correctly inside the tire and away from sharp edges or spoke nipples during mounting.
• Regularly check pressure, especially after long rides or exposure to heat, to preserve performance and tire life.
• Store in a cool, dry place away from direct sunlight to maintain the integrity of the butyl material.

Why choose Maxxis for your 19" setup

Maxxis brings a legacy of durability and dependable performance to the TR4 (XCS) line. This Extra Heavy Duty tube is built for riders who demand longevity, fewer flats, and consistent seating in demanding environments—without compromising on the flexibility you need for a wide range of 19" tire widths. If you value confidence on rough terrain and straightforward maintenance, this tube is a smart, practical upgrade for your 19" wheel system.