Feature: 1. Unique Built in Fan Blade: Reduces internal heat loss. The 2.0mm rear cover adopts carbon plate welding gold plated copper column, perfect wiring. 2. High Power Output: The full rate resistance of the whole tank is very low internal resistance, to obtain high power output. The rotor adopts yellow kraft fiber double wrapped, two pole explosion proof rotor. 3. With Excellent Grade Bearings: With high smooth imported flange bearings. Unique stator 0.2mm silicon steel sheet, iron loss efficiency up to 94% efficiency conversion. 4. Excellent Accessories: 2 pole super smooth linear high speed high temperature 200°C rotor new magnetic material, 1E/AIW(H) grade 220 grade high temperature polyester wire. 5. Integrated Tuyere Shell Design: Aluminum alloy front end integrated tuyere shell design, stable and reliable high speed operation. The motor can run at a high speed up to 60000 RPM. Specification: Item Type: F3660 Brushless MotorWeight: 295g/10.4ozModel: F3660 12T Material: Aluminum alloy and copper and steel Color: Black red KV (RPM/Volt) : 1800KV Output Power: 1350W Maximum Voltage: < 33V Maximum Current: 41A Number of Motor Poles: 2 No Load Current: 1.2A Resistance: 0.0168Ω Maximum Speed: 60K Motor Inlet Angle: 0 degree-15degreeMotor Diameter: 36mm/1.4inMotor Length: 63.8mm/2.5in(without shaft) Axle Diameter: 5mm/0.2inShaft Length: 18mm/0.7inApplicable Model: Suitable for 1/10 speed modified remote control car . Package List: 1 x F3660 Brushless Motor1 x Instruction Note: 1. Due to manual measurement, please allow 1‑3mm error, thank you! 2. Pictures may not reflect the actual color of the item due to differences between different monitors.