Features 1、It has waterproof performance, strong practicability, strong and durable in use. 2、Precisise balanced rotor with enough smoothness for best reliability and maximum RPM. 3、4 poles high‑torque motor design and CNC processed 6061 T6 aluminum billet heat sink, the motor can work for a long time. 4、High‑purity copper windings with a shaft diameter of 3.175mm/0.1in can maximize efficiency. 5、Made of high‑quality aluminum alloy and copper, it is durable and has a long service life, fit for 1/10 remote control cars. Specification Item Type: 3650 3500KV Brushless Motor Material: Aluminum Alloy + Copper Product Color: Orange Motor Length: Approx. 50mm / 2.0in Motor Diameter: Approx. 36mm / 1.4in Motor Shaft Length: Approx. 15mm / 0.6in Motor Shaft Diameter: Approx. 3.175mm / 0.1in Product Weight: Approx. 194g / 6.8oz Wattage: 900W Maximum Amperage: 75A Kv (rpm/volt): 3500KV Maximum Speed: 50000 Compatible: Fit for 1/10 RC Car (such as for HSP 94123 / Hqtoys 727 / Racing 53625 53632) Package List 1 x Motor