Product Features Review, adjust and save Spektrum Smart ESC parameters Connect (via USB) to a PC to update Smart ESC firmware and adjust parameters via Spektrum SmartLink PC app Check a LiPo battery's cell balance

This is a Firma 1900Kv 550 brushless motor by Spektrum.

Like every component in the Spektrum Smart ecosystem, Firma Smart ESCs combine "plug-and-play" simplicity with the ability to communicate with other Smart electronics — together, creating the best-performing RC system for your vehicle imaginable.

This is a Firma 160 amp 8S high output brushless smart ESC by Spektrum.

Traxxas Velineon® VXL-3m forward/reverse electronic speed control simplifies brushless technology with easy, built-in profiles and intuitive programming.

This is the Traxxas XL-2.5 electronic speed control.

Velineon VXL-6s Waterproof Features Integrated telemetry for speed, RPM, voltage, and ESC temperature

This is a Traxxas Velineon VXL-8S Waterproof Brushless Forward/Reverse/Brake ESC. When you create the world's most powerful Ready-To-Run vehicle, off-the-shelf components just won't do.

The Traxxas Unlimited Desert Racer Motor is a 4-pole 2200Kv, brushless motor. This is the replacement motor for the UDR. Motor is factory wired with 6.5mm bullet connectors.

This is the Velineon® 3500 Brushless Motor by Traxxas, it uses ultra high-temperature Neodymium magnets, high-speed ball bearings, and a precision balanced rotor for power and long-life.

Traxxas Velineon VXL3m Extreme Brushless Power System. This is for the 1/16th scale Traxxas vehicles. Ultra high temp sintered neodymium motor magnets. Balanced rotor. High speed ball bearings. Low voltage detection.

EZRun MAX5 V3 Sensorless Brushless ESC & Motor Combo includes the 56113SL 1/5 scale, 800kV motor and is a great option for high-end, aggressively powered, large scale 8S builds.