GoolRC high performance 540 10.5T modified 3450KV sensored motor is designed to provide both quality and performance at an affordable price for 1/10 RC car, which meets IFMAR / ROAR rules. Compatible with sensored/sensorless ESC. Adjustable timing that you can change the motor RPM and torque when needed. Features: Adjustable timing Sensor-based for excellent torque and low-speed driveability Compatible with any sensored/sensorless ESC Meet IFMAR / ROAR rules High power solder tabs High RPM precision bearings Removable/Replaceable rotor Powerful sintered neodymium magnet CNC machined billet T6 aluminum heatsink can High purity copper windings maximizes conductivity Precision engineered for maximum energy conversion Specifications: Brand name: GoolRC Size: 540 Battery: 1-3S LiPo battery Sensored: Yes Max current: 63A Resistance: 0.0208 Watts: 250 Turns: 10.5 KV: 3450KV Shaft diameter: 3.175mm Weight: 167g Package Information: Package size: 10.5 * 8 * 6cm / 4.1 * 3.2 * 2.4in Package weight: 200g / 7.0oz Gift box package Package List: 1 * GoolRC 540 10.5T Modified Motor 1 * Connecting Cable