INTRAX SUSPENSION TECHNOLOGY A World Leader in Springs. The European parent company of INTRAX is not only one of a select few manufacturers world-wide that produces specialized spring winding equipment, it was also one of the first to utilize chrome silicon steel in high tensile spring production - now the standard for top quality springs. What's in a Name? Well, no matter what the name, if it's a superior quality spring, it probably came from INTRAX. We produce many popular private label brands and the two best-known motorcycle spring lines. In addition, we supply original equipment springs for current major automotive brands. Original Equipment for Formula One. F-1 racers have won World Championships on our springs. You'll find the same winning performance and quality in our complete line of O.E. replacement springs. With the widest range of lowering springs in the world and World Championship quality. INTRAX has high performance down to a science.