Hobbywing Xerun XR10 Pro Stock Spec V4 Sensored Brushless ESC 30112401 Brand New March 5, 2024 admin The Hobbywing Xerun XR10 Pro Stock Spec V4 offers the latest in Hobbywing ESC technology, developed and optimized for stock spec class racing. Other features include 2S LiPo compatibility, and a 6V/3A switch mode BEC.