Item Weight: 4.1 ounces. Efficient and high-speed ball bearings. High purity copper windings maximizes efficiency.
Short stator, less wire, lower resistance, more power. Consistent and high-power output provide longer run time Super smooth and accurate throttle linearity Fast response to throttle input. Mutiple protection features: Low voltage cut-off protection for lithium or nickel battery, Over-heat protection, Throttle signal loss protection, Motor blocked protection.