Today we're gonna take a look at the Hayes/AL-KO 12-inch electric trailer brake kit with the left-hand and right-hand brake assemblies for 7,000-pound axles. Now, electric brakes, they're easier to install. They offer more user control than hydraulic brakes. Basically, they require only an electric brake controller, which we do sell separately on our website. There's no actuator or hydraulic lines… see more >