This is a great upgrade if you have a brushed model and you want a convert it to brushless or replacing an existing system.
Waterproof 3500kv Motor
Waterproof 35A Sensorless ESC With Cooling Fan
Thermal & Current Overload Protection
Suitable Battery: Up To 8 Cell NiMh or 3S Lipo*
Bec: 5v (3A)
Tamiya Battery Connector**
3.5mm Motor Connectors
* 3S Lipo on-road Touring Cars, 2S off-road Trucks & Buggies
** If using Lipo batteries you must change the Tamiya connector on the ESC for a higher amperage connector, Deans "T" connector recommended.
3500kv Brushless Motor & Waterproof ESC For 1/10 RC Cars