Features: 1.Durable: With high purity copper windings and sealed bearings, our RC brushed motors generate little heat, high power, low friction and low noise. 2.High Efficiency: Brushed motors allow for accurate and maximum energy conversion. Rotors are precisely balanced and smoothness improves reliability and maximum speed. 3.Stable Performance: High purity copper windings maximize the efficiency of brushed motors, and high strength magnets provide stable brushed motor performance. 4.12T 550 Motor: The 12T 550 brushed motor has the perfect balance of straight line speed and low speed torque, allowing your RC car to travel smoothly and at high speeds. 5.Universal For Battery: The RC brushed motor is capable of running on 6-7 cell NiMH batteries or 2S lithium batteries, very flexible to meet your needs. Item Type: Brushed Motor Weight: Approx. 223g/7.87oz Material: Copper, iron Size: Motor Length (without shaft): 57mm/2.24in Motor Diameter: 36mm/1.42in Shaft Diameter: 3.175mm/0.125in Motor Shaft Length: 16mm/0.63in Motor: 550 12T Operating Voltage: 7.4V Applicable Model: For ARRMA 1/10 for Granite for SENTON for Typhoon V3 RC Car 1 x 550 Brushed Motor