Pendulum Robotics | Robotic Actuators and Motors in the USA

AK Series

Integrated actuator with motor, gearbox, driver, and encoder. We stock 11 models from 4 to 120 Nm peak torque.

AKH Series

85–222 Nm peak torque with 7mm hollow bore for internal cable routing and daisy-chain CAN.

Gimbal Motors

Low-cogging gimbal motors for stabilizers, radar heads, and autonomous driving modules.

Frameless Motors

Building blocks for your custom actuator build. Inrunner and outrunner motors with preset mounting patterns and encoders.

Stators

Off-the-shelf, common drone motor and robotic actuator stator sizes. Wind your own motors and build custom actuators.

You're sprinting to build robotic solutions to massive problems.

We help you build and iterate as fast as possible with immediately available OTS and custom components.

Free 2-Day Shipping

No Tariffs

Bulk Pricing Available

Frequently asked questions

CubeMars actuators are designed and manufactured in China by CubeMars, one of the leading producers of high-performance robotic actuators. Pendulum Robotics imports them directly to our warehouse in Los Angeles, California, where we stock, quality-check, and ship all orders. You're buying the same actuators used by robotics labs and engineers worldwide, just without the international shipping headache.

We're building up US manufacturing for electric motor components. Follow along for updates.

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

No. When you order from Pendulum Robotics, all duties and tariffs on imported items are already paid. There are no surprise fees at delivery. If you were to order an actuator directly from China, you'd typically pay the manufacturer's price plus a 45% US import tariff plus ~$40 in customs clearance fee.

Yes! We're constantly expanding our catalog. If it's a CubeMars product we don't currently stock, we can typically get it for you within a week. For large quantity orders or custom configurations, email us directly at sales@pendulumrobotics.com.

Yes, give us a call at (669) 232-3475 and we'll make it happen. If you're in the LA area you can come pick up your order today or we can arrange a courier delivery.

We purchase all CubeMars products directly from the manufacturing plant.
All inventory shown on this website is stocked in California and ready to ship.