The quad is also a 50 the axles are a bit narrow and it can get a bit squirrely a higher speeds. He is like a little safety moniter. He is always telling me to put on my seatbelt and other safety stuff. I don't know how my kid is such a square. I was crazy when I was young. It is a good thing though, he probably won't break as many bones as I did or get as many stitches.