IRC heavy-duty tubes are two to three times thicker than standard tubes, incredibly durable, abrasion-resistant and feature great impact-absorption.
IRC Heavy Duty tubes are manufactured by INOUE RUBBER CO. LTD., Japan. The tubes are designed and constructed to offer great performance in the most extreme motorcycle riding conditions. IRC heavy duty tubes are made 3 mm thick and puncture resistant, making them durable to handle extreme and aggressive use.
For maximum performance and durability, IRC tubes are made of both natural and Butyl rubber.