is an internationally renowned manufacturer of special components for bicycles and e-Bikes, which serve mainly to improve ergonomics and driving comfort. Its core product is the A-Head adjustment Speedlifter which allows for safe, simple and a tool-free adjustment of the handlebar height. Over half a million bicycles and e-Bikes are equipped with these systems worldwide. Speedlifter provides riders with the flexibility for a comfortably high ride, which is conducive for both sporting endeavors and driving ergonomics. Other successful products include the parallel suspension seat post G.1 and various high-quality components such as the A-Head watches that are integrated into the handlebar stem. All products were developed by by.schulz in Saarbrücken, Germany and independently tested to the production stage. These products are protected by several patents and trademarks.