Castle's Online Store will be closed during our annual inventory reconciliation activities through January 8, 2026.
Castle Creations ESC and BEC recommendations for the FMS Magnum (1/18th):ESC:Sidewinder Nano - For brushed and sensorless brushless motors. CRAWLING ONLY.BEC:CC BEC Nano - For aftermarket, High voltage servos. 8.4v output.
