If I had it to do over again, I'd go the route that you guys are talking about just to try it, with the mechanical brakes. I did what I did because the MGT that I got didn't have all of the parts to it. It was a stripped roller and I was really not familiar with the MGT as a whole. I used what I had. The way that I did it, keeps things really simple though. Fewer things to break or go wrong and when they do, it's really easy to fix.

My MGT is plenty fast for running on big tires. It isn't stable enough for any more speed. As it is, it's almost fast enough to run on a track. I built it for my 8 year old and I really don't want him having anything that weighs about 13lbs going very fast. LOL