MITAS HD TUBE reinforced rear inner tube, 2 mm thick, is designed for off-road and enduro riding in harsh conditions. The inner tube provides extremely high resistance to punctures and tears, even in technical riding and at low air pressures. Includes a reinforced TR6 valve and is suitable for tires in sizes 140/80-18 and 100/100-18. An excellent choice for riders looking for reliability, peace of mind and off-road performance.