Premium OE technology from the global leader in drive systems. GKN Löbro Countertrack® (SX) joints are distinguished by a characteristic S-shaped track profile and opposed tracks. This innovative design makes it possible to reduce friction, heat and size as well as increase transmissible torque and maximum bending angle. GKN Automotive Countertrack® technology is used by most well-known car manufacturers and can be found in midsize cars up to the premium segment.