Electronic Speed Controllers
The Sidewinder line of ESCs are our Sport-Class Surface Speed Controllers. They're designed to withstand the most abusive environments while keeping your ride moving fast and cool. They may not have sensors, but they have loads of Castle Power!
Don't know which speed control you need? Check out our Getting Started page.
The Mamba X line of ESCs represents our highest quality and performance Castle products. They're designed to withstand the most abusive environments while keeping your ride moving. Most of our sensored line of Mamba ESCs use "Quiet Sense" and "Smart Sense" to make them super smooth and accurate.
Don't know which speed control you need? Check out our getting started page.
For more than a decade Castle has been providing award winning brushless sensorless motors to R/C enthusiasts worldwide. In response to overwhelming requests by our customers, we have brought technological advancements together that will deliver unprecedented performance in our new SENSORED motor Line.
Our IMPROVED 4-POLE 12-SLOT design boasts exceptional EFFICIENCY and produces LESS HEAT.
QUIETSENSE™ technology shields the sensors from magnetic field noise generated from the motor coils and keeps your motor and ESC in sync at all times. Use of a Flux Shield™ in conjunction with secondary Sense Magnets delivers even HIGHER PRECISION and MORE EFFICIENT startups.
Our OPTIMIZED design eliminates the need for mechanical timing adjustments. Our sensor alignment method delivers uniform timing and torque in both directions, automatically.
REBUILDABLE design allows users to replace front end bell/bearing assembly or rotor/shaft assembly.
ROAR standard sensor port and labeled connections.
Updated modern and sleek design; looks as cool as it performs.
Need Help getting started or To learn all about our motor technology, click the links below.