Originally Posted by Frank L

I use to run jr servos and those losi horns were a bitch to get on and even tuffer to ger off of the jr servo. Then after on and off a few times they were loose. I use the hunk o alum racers edge horns with the set screws and they work perfectly. I pit an old dyn alum horn on the ko for the slash. Ran it last night and works great.