Michelin 21 UHD Ultra Heavy Duty Off Road Front Tube

Inner tubes of choice for off-road tyres featuring a 4mm wall thickness, the Michelin Ultra Heavy-Duty tube is made specifically for those who push their tires to the limit in the roughest of conditions. FEATURES USE FOR COMPETITION - the best MICHELIN choice for the competitors. ROBUSTNESS - Thanks to the 4mm thick inner tube, the tyre is more robust. PRESSURE SAVER - Thanks to the Ultra Heavy Duty (UHD) inner tube, the tyre maintains a correct pressure. Provides outstanding protection against punctures and pinch flats. TR4 stem type. Road legal. This Front Tube will fit the following Front Tyre sizes: 80/100-21 90/90-21 90/100-21