Continental Grand Prix Classic 28'' 700x25 (25-622) 230g

Product detailed description

The perfect match for the retro styled racing bike. Features with brown sidewalls and the original Conti Sport tread pattern from 1982.   Technology: BlackChili Compound The crucial balance. The rolling properties of the rubber compound of a tyre are primarily determined by three interacting factors – stiction [grip], rolling resistance and mileage [longevity] . The dilemma: If you improve any of these factors it can have a detrimental effect on at least one of the others. A tyre with maximum grip wears quicker and rolls more slowly. If you then make a tyre roll faster and more durable, grip, in turn, is reduced. With BlackChili Compound, a tread compound which is always based on the latest knowledge of polymers and raw material research, we have supplied the cycling industry with an enduring solution. Depending on the application of a tyre, we adjust the compound formulation for the specific discipline – for road or mountain biking, time trialling or downhill racing. How does that work? For BlackChili, we refine special synthetic rubbers with proven natural rubber to high-performance tread mixtures. To these mixtures we then add soot particles, which in turn are optimised in shape and surface properties. The complex compound technology is so sensitive that tyres with BlackChili Compound are produced exclusively in German Korbach plant.   PolyX Breaker With PolyX Breaker®, we bring car expertise to the bicycle tire segment: Polyester has been used successfully for years in car tires and been tried and tested many times. The extremely resistant polyester fibre is woven tightly crosswise. In this way, a very high fabric density is reached which not only makes the Breaker more resistant to foreign objects but is also especially resistant to punctures. The rolling resistance is also not negatively affected by the PolyX Breaker®.