WARRANTY PEEK-CARBON BOLTSOur screws are manufactured using extremely durable IM carbon fibres with a thermoplastic PEEK Matrix. These screws aremachine-build under high pressure, a process which ensures constant high quality. Ever since our first carbon fibre road bar cameout in 1992 our products have been the benchmark for both weight and reliability.Our products have been tested and have received praise time and again. On top of that athletes have trusted us for their mostimportant races. Olympic MTB Gold medallists Christoph Sauser and Sabine Spitz use these Carbon screws.Compared to other screws ours are way superior in terms of possible fatigue damage. Because of that we grant a full warrantyagainst failure due to faulty material for the first three years after purchase.