I use the woodcraft suite of controls on my 300. Clip ons and rearsets. I got the folding toe-pegs too, they saved my shifter. Highly recommend.
I just drew up a brake switch mount in CAD and then 3D printed the device for the brake pedal. It worked for a long time, until I was doing maintenance and broke the piece trying to remove it, and haven't gotten around to printing another since my 300 hasn't moved since summer. I'll have to reprint it and install that again.
I actually just finally fired it back up again yesterday! Took it around the block, all seems well. Very pleased.
So i can also tell you that the Woodcraft stuff is good to ride with, but also survived the crash well, and factually saved my frame, tank, and shifter from hitting harder. All I had to replace was the folding shifter toe peg, and foot peg. I took the rearset apart and cleaned and greased it up again, and it's perfect.
So if you get something cheaper, it might ride okay, but it probably won't crash as well as the big names in these parts. I've crashed Woodcraft stuff a few times now and they are pretty shockingly good at holding up. If you have a low-side, they will almost certainly save your bacon somehow.
Worth the cost, over a year into owning the woodcraft stuff.
-Mike