The best tire for general sports use, or as a super lightweight day tire. IRC has long been regarded as a super high quality tire. They bring a high-tech approach to their compounds; acheiving a superb balance of grip and low rolling resistance. We offer the IRC Exeracer model for use in sports when a little extra tread is desired, or to the discerning day-use consumer. Spinergy is the exclusive distritutor of the IRC Wheelchair tires because we believe in the product.