The Eagle F1 R Tube Road Tyre from Goodyear is part of the Road UHP (Ultra High-Performance) range, developed at the highest levels of road cycling and is the go-to tyre for racers and enthusiasts seeking low rolling resistance without compromising balanced wet and dry grip.Multi-compound material layer is added, allowing for improved air retention as well as additional puncture and cut protection.Functional with an inner tube to maintain inflation pressureDynamic:GSR compound has been developed to improve rolling efficiency, traction and durability.Various fabric materials are formed with the casing to provide both cut and protection.R:Shield offers excellent puncture protection whilst the sidewalls remain supple to ensure high performance.Train, Race, Win, Repeat - It s race day, months if not years of preparation have bought you here. Like you, the Eagle F1 R has been in development for years. Technology underpins the evolutionary process with 3rd party data confirming leaps forward