Rekluse Radius X Clutch Kit For Harley Street 500 / 750 The RadiusX is Rekluse's highest performing centrifugal auto clutch, which combines their TorqDrive and EXP technologies. The TorqDrive provides more clutch disks in less space, allowing for maximum performance within your machines current clutch footprint. Allow for complete control of shifting and use of your clutch lever with no hiccups in power delivery. Features: Dead-on clutch engagement every time Take off and stop in gear without using clutch lever Take off and stop in gear without using clutch lever Confidently navigate traffic and slow speed conditions TorqDrive clutch pack delivers higher torque capacity and increased power transfer Rekluse sleeves eliminate basket wear and notching Standard clutch lever function with full override No modification to stock components