KTM PowerParts Rekluse RadiusX 4.0 Centrifugal Force Clutch Kit. New generation of Rekluse centrifugal clutch with EXP 4.0 technology. Installed in the standard clutch, which means simple, uncomplicated and fast installation. Unlimited and total concentration on the perfect line. New generation of Rekluse centrifugal clutch with EXP technology. Easily adjustable from the outside via the clutch slave cylinder. No stalling of the engine in critical situations, such as braking, downhill runs, jumping, or when starting or pushing. Improved traction, controllable by the throttle alone. Slippery, extremely steep sections can be managed more easily > saves time and ensures faster lap times. More relaxed, fatigue-free and controlled riding, even over longer distances and in tough terrain. No more coupling is required, although it is still possible.