The Flux Alphastar 2350Kv Brushless Motor is one-half of the Flux Brushless system that is fitted as standard in the Savage Flux 2350, forming an unstoppable power force for amazing off-road power!The Flux Alphastar 2350 features a 5mm motor shaft. It can fit optional pinion gears so you can gear it up for high speed runs, or gear it down a bit for increased acceleration on the track. #104923 FLUX ALPHASTAR 2350Kv BRUSHLESS MOTOR#104924 FLUX Q-BASE BRUSHLESS ESC