The Castle Sidewinder SV4 12.6V Waterproof 1/10 ESC builds upon Castles most popular platform, the Sidewinder 1/10 series. The ESC is the first of its kind to run Castles CRYO-DRIVE technology that combines technology from cutting-edge hardware and software advancements to increase thermal performance. Cooler temps mean longer runs and more power! The SIDEWINDER 4 […]