Pirelli Heavy Duty Motorcycle Inner Tube. Select Size and Price A pinched tube or a ripped valve stem on the trail can be a real bummer! Protect yourself with the use of a Pirelli Heavy Duty Inner Tube designed to be rugged and to stand up to the torture of off road riding or high speed road riding. Features: - Heavy-Duty Natural Rubber - Excellent Puncture Resistance - Long Service Life - TR Type Valve Stems |