LRP Firmware Updates Available Online Now!

The firmware for the SXX Version 2 speed controls (SXX Competition Version 2, SXX TC spec Version 2, and SXX Stock Spec Version 2) can be updated with a PC by using the LRP USB Bridge firmware updater. The USB Bridge allows a quick and easy update of the speed control firmware.


The software required for operating the USB Bridge is free and can be downloaded from

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