I have an issue with brakes as well. I'm running the rs pro with a 10.5 duo1 I have set the epa to 140 and then upped it to 150 after calibration, it's set to 100 on the speedy and still no brakes. The radio I'm using is the KO Eurus. Hope someone out there has a cure as I dont particularly want to run a Hobbywing