New from Hobbywing come the updated Xerun 120A V3.1 and 90A V2.1 controllers. Starting with the 120A variant, the updated version of the V3 now features an aluminium lower case for better heat dissipation, an updated heatsink design for better airflow and cooling as well as silicone-sealed sensor and fan connectors for dust protection. The V3.1 also comes with updated firmware that sports different neutral range and turbo timing settings. Also new is the Xerun 90A V2.1, the follow-up model of the 60A controller. The controller comes with a different hardware for higher performance, a 5.5T motor limit and 360A burst current rating. Both ESCs are available from February.