Kogel Bearings produces High Quality Ceramic Ball Bearings for bicycles. Bottom brackets, derailleur pulleys and oversized derailleur cages that make riders go faster or further with less effort. Kogel Bearings has Guaranteed from Paris-Roubaix to Ironman World Championships and multiple victories at Dirty Kanza, World Cup wins in Downhill, Cross Country and Cyclocross. Guaranteed performance means working hard to make your experience with Kogel Bearings the best possible, every step of the way. We guarantee the performance of our company and products from your initial research, throughout the life cycle of your Kogel product and our best-in-industry warranty. Kogel's end-to-end Guaranteed Performance experience is guaranteed to serve your cycling activities today and for years to come. From the minute you start exploring our products and throughout the service life of your parts.