The set includes a 3650 3100KV/4P Brushless Motor and a 60A brushless Electric Speed Controller(ESC), which is perfect for the 1/10 RC auto car truck on road. This 3650 3100KV/4P Brushless Motor is built from the best materials available, and is designed to provide both quality and performance at an affordable price. And it&#39;s with high quality aluminum alloy parts that are produced on the latest CNC milling machines. Additionally, the 60A brushless ESC features enhanced throttle response,excellent acceleration, strong breaks and throttle linearity.<br/>Motor<br />Features:<br />4 poles Hi-torque motor design.<br />CNC machined 6061 T6 billet alumium heatsink can.<br />High purity copper windings maximizes efficiency.<br />High RPM ABEC5 oversized bearings.<br />Universal fit all 1/10 brushless cars-multi-mounting system for M3 screws.<br />Precision balanced rotor, smoothness for best reliability and maximum RPM.<br />Stator - Super Thin (0.35mm) laminations.<br />Removable/replaceable.<br />Precision engineered for maximum energy conversion.<br />ROAR legal.<br/>Specification:<br />RPM: 3100KV<br />Max Current: 56A<br />Max Watts: 900W<br />Can Size: 3650<br />Sensored: No<br />Can Diameter: 36mm<br />Can Length: 50mm<br />Shaft Diameter: 3.175mm<br />Shaft Length: 15mm<br />Bullet Connector: 4mm<br />Weight: 180.8g/6.4oz<br />Max voltage: 7.4V(2S)-14.8V(4S)<br/>Note: there&#39;s some little error from human measuring.<br/>Electric Speed Controller<br />Features:<br />Compatible with sensorless brushless motors.<br />High anti-interference capability.<br />Using advanced software interface to set up or update the software.<br />Super smooth and accurate throttle linearity.<br />Fast response to throttle input.<br />Mutiple protection features: low voltage cut-off protection, over-heat protection and throttle signal loss protection.<br/>Specifications:<br />Cont. Current: 60A<br />Burst Current: 320A/10sec<br />Battery: 2-3 Cell Lipo / 4-9 Cell NiMh<br />SBEC: Yes<br />SBEC Output: 5.8V/3A<br />Power Supply Plugs: T Male<br />Motor Plugs: Female 4mm Bullet Connector<br />Size: 45*35*35mm(with out fan)<br />Weight: 76.3g / 2.68oz<br/>Package size: 10 * 8 * 6.5cm/ 3.9 * 3.1 * 2.5in<br />Package weight: 288g/10.1 oz<br/>Package list:<br />1 * 3650 3100KV 4P Sensorless Brushless Motor<br />1 * 60A Brushless Electric Speed Controller