Feature: 1. 4 Pole 12 Slot Hi-torque Motor Design. Waterproof brushless motor for 1/10 RC car. 2. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings. 3. Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. 4. Precision balanced rotor, smoothness for best reliability and maximum RPM. 5. Multiple protection features: Low voltage cut-off protection, over-heat protection, and throttle signal loss protection. Specification: Features: 4 Pole 12 Slot Hi-torque Motor Design. Waterproof brushless motor for 1/10 RC car. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings. Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. Precision balanced rotor, smoothness for best reliability and maximum RPM. Multiple protection features: Low voltage cut-off protection, over-heat protection, and throttle signal loss protection. Specifications: Brand Name: GTSKYTENRC Item: 3100KV Brushless Motor Resistance: 0.0126 Max Current: 56A RPM: 50000 Max Voltage: <16V Watt: 900W Diameter: 36mm Length: 50mm Item No.: 3650 Name: 60A ESC Cont.Current/Burst Current: 60A/360A Motor Type: Sensorless Brushless Motor For 2S Lipo or 6 cells NiMH: 1. On-road: 3660-Size or smaller motor with the KV<6000KV 2. Off-road: 3660-size or smaller motor with the KV <4000KV For 3S Lipo or 9 cells NiMH: 1. On-road: 3660-Size or smaller motor with the KV<4000KV 2. Off-road: 3660-size or smaller motor with the KV <3000KV Suitable Car: 1/10 Car Resistance: 0.0007ohm Battery: 2-3S Lipo/4-9Cells NiMH BEC Output: 5.8V/3A (Switch Mode) Size: 51.5*68.5*38.5mm Name: 25KG Servo: Operating Voltage: 4.8 ~ 6.8 DC Volts Dead Brand: 3mus Motor Type: DC Motor Gear Type: Copper & Aluminum Working Frequence: 50-333Hz Operating Travel: 180deg (PWM 500-2500mus) Size: 40 * 20 * 40.5 mm Package Information: Package Size: 16.5*9.5*6cm Package Weight: 399g Plastic Package Packing List: 1* 3100KV Brushless Motor 1* 60A ESC 1* 25KG Servo Package List: 1* 3100KV Brushless Motor 1* 60A ESC 1* 25KG Servo