1、High Performance: RC car brushless motor features a 4 poles, 12 slots high torsion motor design with CNC machined 6061 T6 billet aluminum radiator cans. 2、High Efficiency: 3650 4300KV brushless motor with high purity copper winding to maximize efficiency with high speed ABEC5 oversized bearings. 3、Widely Available: This universal brushless sensorless motor is easy to install and fits all 1/10 brushless cars with M3 screws for multi mount systems. 4、Balanced Rotor: 4 poles brushless motor's precisely balanced rotor with better smoothness provides better reliability and maximum speed. 5、Accurate Design: Stator ultra thin (0.35mm) blades, removable, replaceable rotor, accurate design for maximum energy conversion. Item Type: 3650 Brushless Motor Model: 3650/3.5T Material: Aluminum Alloy, Copper, Steel Color: Orange Motor Length: Approx. 50mm/1.97in(without Shaft) Motor Diameter: Approx. 36mm/1.42in Shaft Diameter: Approx. 3.175mm/0.13in Shaft Length: Approx. 15mm/0.59in KV (RPM / Volt): 4300KV Wattage: 900W Maximum Current: 75A Maximum Speed: 50000 No Load Current: 2.7A Number of Motor Poles: 4 Internal Resistance(Ω): 0.0075 Applicable: for All 1/10 Brushless Cars 1 x 3650 Brushless Motor 1 x Manual