Impressive joint and valve strength; for Valve Stem Types see above. Two to three times thicker than standard tubes, IRC heavy-duty tubes are incredibly durable, abrasion-resistant and feature great impact-absorption.
Replacement Tube for 13" Outside Diameter Tire. 4 ply rubber. Fix flats without having to buy a new tire.. See Tire Side Wall for Tire Load Capacity. Maximum inflation is 30 PSI. Inflate with manual pump only. Not for highway use..