Feature: 1. CNC Machining: New and unique stator mold design, providing powerful torque and high speed. CNC machining 7075 aluminum cooling housing. 2. High Purity Copper Coil: Maximized conductivity, electroplated stator without aging or rust phenomenon. Precise adjustable inlet angle, dual sensor standard port. 3. Replaceable High Speed Rotor: Removable, replaceable high speed rotor. Front and back splicing appearance, reasonable structure design. Internal Mg titanium alloy heat dissipation, reduce heat loss. 4. High Power Input: NSK R2zz ball bearing, rotor unimpeded. Thickened welding gold plated copper sheet, high power unimpeded input. 5. Excellent Performance: Aluminum iron boron strong magnetic explosion proof rotor, speed up to 80,000 RPM. Meet BRCA ROAR EFRA FMAR International Competition certification. Specification: Item Type: RC Brushless Motor Weight: 215g/7.6oz Model: 540 V6M Material: Aluminum alloy and copper and steel Color: Black and silver Motor Diameter: 35.8mm/1.4in Motor Length: 52.3mm/2.1in(without shaft) Axle Diameter: 3.175mm/0.1in Type: MODIFIED Applicable Model: Applicable to 1/10 RC car. Package List: 1 x 540 V6M Inductive Brushless Motor1 x Induction Line1 x Storage Box1 x Instruction Manual Note: 1. Due to manual measurement, please allow 1‑3mm error, thank you!2. Due to differences between different monitors, the picture may not reflect the actual color of the item.3. Before turning on the remote control car power supply, please be sure to carefully check the correctness of the power system connection and the reliability of the installation.