700c, 27-Inch & 650c

The Formula Pro RBCC has even more grip performance while maintaining the tire characteristics that racers value it for. From dry to wet, Formula Pro RBCC promises excellent riding performance no matter the weather conditions. - The Formula Pro RBCC uses IRC's grippiest road compound, and adds RBCC for additional traction in both wet and dry conditions - Gummy road compound for great cornering performance - Wide cross-section for lower rolling resistance - Natural rubber in-air-seal prevents leakage

A high-performance road tire exhibiting great grip, puncture resistance, and aerodynamics at a competitive weight - Anti-flat belt protection improves puncture and side-cut resistance - Aerodynamic sidewall 'fins' fills the gap between the tire and the rim

Ride on gravel, pavement, dirt, or singletrack in the forest,. Wherever you go, this new generation tire has a unique center profile tread for smooth surfaces while side knobs provide traction and control in softer terrain. - Ultra gummy compound for insane bite on nasty obstacles - Developed for extreme gravel riding and racing

IRC’s lightest and fastest road tubeless tires. A wider tread and cross-sectional shape provide improved rolling resistance. This tire is designed for high speed in dry weather conditions. - The Formula Pro Tubeless Light is IRC’s fastest road tubeless tire - A wider cross-sectional shape provides improved rolling resistance - This tire is designed for high-speed riding