Feature: 1. 2 Poles: Our RC brushless sensorless motor has built in fan blades to reduce internal heat loss, the number of poles is 2, suitable for 1/10 modification of RC model cars or boats. 2. Aluminum Front End: This RC brushless sensorless motor has an aluminum front end and a integrated air outlet housing design for smooth and reliable high speed operation. 3. Explosion Proof Rotor: RC brushless sensorless motor with full slot full rate resistance value of low internal resistance to obtain high power output. Adopt double wrapped, two magnetic pole explosion proof rotor. 4. Flange Bearing and Stator: RC brushless and sensorless motor with smooth flange bearing. Unique stator 0.2mm silicon steel sheet, iron loss efficiency up to 94% efficiency conversion. 5. Maximum Speed: RC brushless sensorless motor with smooth linear high speed high temperature 200℃ rotor magnetic material, maximum speed up to 60K, no load current is 2.1A. Specification: Item Type: Brushless Motor Material: Aluminum Alloy, Copper, Steel Color: Black And Red KV(RPM/Volts): 2150KV Output Power: 1350W Maximum Voltage: <28V Maximum Current: 48A Number Of Motor Poles: 2 No Load Current: 2.1A Resistance (Ω): 0.0121 Maximum Speed: 60K Motor Feed Angle: 0°-15° Motor Diameter: Approx. 36mm / 1.42in Motor Length(Without Shaft): Approx. 66.3mm / 2.61in Shaft Diameter: Approx. 5mm / 0.2in Shaft Length: Approx. 20mm / 0.79in Application: Suitable For 1/10 Conversion RC Model Car Or Boat. Package List: 1 x Brushless Motor Note: 1. Due to manual measurement, please allow 1‑3mm error, thank you! 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.