High efficiency means more power while keeping TEMP low. 1/10th, 1/12th On-Road (race or drift touring cars, F1, m vehicles and etc.) & off-road (buggies/2WD SCTs & trucks) stock/sport class competitions (about motors' T counts, please refer to rules regulated by race organizers), beginners for practice, and rock Crawlers (applicable to 21.5T, 25.5T motors) built-in Hall sensor brings drivers an amazing sense of control. Top-quality components: heat-resistant magnet, heat-resistant wires and name-brand bearings. Dustproof design where motor leads exit. Features a gold-plated lockable connector which can be fastened by screws, eliminating the possibility of losing connections. Detachable structure is easy to clean and maintain, greatly prolonging the service life of the motor.