Welcome to our store! HIGH PERFORMANCE: The RC brushless motor utilizes high-speed precision bearings and high-purity copper windings to maximize conductivity. Enjoy strong torque and stable power output. PREMIUM MATERIAL: The brushless motor features CNC-machined billet T6 aluminum heatsinks, high-temperature resistant copper coils, and housings to effectively protect internal components. DURABLE: An explosion-proof rotor, high-toughness stainless steel output shaft, and high-speed precision bearings contribute to the brushless motor's superior durability. HIGH COMPATIBILITY: The sensored brushless motor offers smoother operation, improved reliability, and maximum speed. Compatible with all sensored and sensorless ESCs. REMOVABLE: The sensored brushless motor features high-power lug ABC wiring and a replaceable rotor design. Easy to clean and maintain, effectively extending the motor's lifespan. Item Type: Brushless Motor Material: Aluminum Alloy, Copper Model: 540 Color: Black KV (RPM/Volt): 3500KV Output Power: 250W Universal Lithium: 1-3S Maximum Current: 49A Number of Motor Poles: 2 No-Load Current: 7.4V/2.7A Resistance (Ω): 24.4 Number of Motor T: 13.5T Motor Diameter: Approx. 36mm / 1.42in Motor Length: Approx. 50mm / 1.97in (Without Shaft) Shaft Diameter: Approx. 3.175mm / 0.13in Shaft Length: Approx. 12.8mm / 0.50in Rotor Size: Approx. 12.5x7.2x24.5mm / 0.49x0.28x0.96in Suitable for 1/10 RC Car (Such as: Drift, Racing, Off Road, Flat Car) 1 x 540 Sensored Brushless Motor 1 x Sensor Cable 1 x Manual Customers are our top priority. If you find any problems with your product after you have received it, such as damage or incorrect quantity, contact us immediately. We strive to provide you with the best customer service.