I never had fast mini bike when I was a kid we had a cat mini bike my dad bought at zodys store in long beach ca it went 25mph my coyote I clock it at 75 and still had a lot of throttle didn't try any faster wasn't wearing a helmet so did try all out was smooth but thinking about chain if it broke or came off would been all bad didn't have chaingard on just wondering how fast your guys went riding yours