With countless Pro-Tour victories to it's name, the Challenge Criterium RS is born to race and has the pedigree to prove it! Lightning fast but with impressive cornering control, there's a good reason the Criterium RS has such a stacked trophy cabinet!Incredibly fast rolling slick centre with herringbone side tread also offers excellent cornering control350TPI Sealed Corespun Cotton casing gives an incredibly smooth and supple rideHandmade folding bead casing with PPS Ganzo puncture protectionSmartPrime rubber compound for excellent grip and durabilityTubeless compatibleThe Criterium RS is built for speed and racing and the herringbone tread helps it roll incredibly well while still offering excellent control under braking and while cornering, even in the wet. It may be for race day, but the Criterium is not just for dry days; it's happy enough in the wet as well.Built around Challenge's legendary 350TPI Sealed Corespun cotton casing, the Criterium RS offers an unbelievably smooth ride, meaning even on longer stage races, you won't feel beaten up and it can even help transform otherwise stiff riding bikes into something far more comfortable and compliant. If you want the ultimate road racing tyre that really can do it all, the Challenge Criterium RS is the perfect choice.