Feature: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.Specification:Item Type: Brushed MotorWeight: Approx. 223g/7.87ozMaterial: Copper, ironSize:Motor Length (without shaft): 57mm/2.24inMotor Diameter: 36mm/1.42inShaft Diameter: 3.175mm/0.125inMotor Shaft Length: 16mm/0.63inMotor: 550 12TApplicable Model: For ARRMA 1/10 for Granite for SENTON for Typhoon V3 RC Car.Package List:1 x 550 Brushed MotorNote:1. Due to manual measurement, please allow 13mm error, thank you! 2. Due to differences between different monitors, the picture may not reflect the actual color of the item.3. The product cable is shipped unwelded. The product is splash proof and cannot be waded in water.