was around when duel brakes were needed for road racing, and know why, spent 600 for front brakes, was around when tethers were needed, and know why !!. was at mid-ohio, someone spun out in front of us took out four karts, the guy who spun out said he was never in a kart like that, x on helmet start them in back !! big field.. was wka g.n. yam. pipe enduro, wanted to beat his blank, lol..he lost it it in the esses before key hole, did not make one lap..so wtf,…all i know is i feel better with that brake set up, and wouldent race with out it,.. cant believe we ran all those years with out it…good old days..crazy i guess..lol..