The Pirelli Heavy Duty Off-Road Tubes have been developed with specific compounds to ensure high resistance to deformation and a longer life. Features: Heavy-duty inner tubes constructed from a durable natural rubber blend Excellent service and puncture resistance, high resistance to deformation and a longer life TR-type valve stems Available in a range of 2.5mm to 3.00mm thickness, straight Valve fitment - please see specification image table Tubes are NHS - Not for Highway Service (These tubes are not DOT approved and not intended for use on public roads) Pirelli 18" Heavy Duty Tube Fitment: 4.00-18, 4.50-18, 100/100-18, 110/100-18, 120/100-18, 110/90-18, 120/90-18, 130/80-18, 130/90-18, 140/80-18 Pirelli 19" Heavy Duty Tube Fitment: 100/90-19, 110/90-19, 110/80-19, 120/80-19, 130/80-19, 140/80-19 Pirelli 21" Heavy Duty Tube Fitment: 3.00-21, 80/100-21, 90/90-21
