Challenge Grifo Tubular Tire - Ultra | Silk | PPS - 33-622 | skinwall

Several years cyclocross world champion - ideal for professionals and bikers who love riding in extreme conditions. Incredible grip and no compromises in terms of rolling resistance, that's what characterizes the Challenge Grifo!

The silk carcass has a stronger bond than cotton or polyester and is also softer and smoother to ride. This enables higher cornering speeds on technical routes. With Puncture Protection Strip (PPS), an additional layer of high-strength fabric between the carcass and tire to reduce the risk of punctures.