This hoverboard rack is sooo wonderful. When I got my hoverboard, I was so scared to stand on it and drove it very very carefully. I was so nervous when playing with it and felt my feet painful after playing. So, most time, I just put it aside. But now, I found this to turn my hoverboard to a kart! I am so excited and accembeld it just when it arrived. Finally, I do not have to stand on it. My hoverboard is 8'' wheel and this rack fits it very well. If I have to say something about the disadvantages of it, I will say that the seat is a little small for me. Maybe I am too big. Overall, I am very satisfied with the rack. But you should be cafeful, you need to learn how to control it and try not to drive very fast. My hoverboard has great power and if I push it too hard, it will run very very fast. I still feel it is a little dangerous. So I have to set the speed limitation of it.
Be Careful and Enjoy!!!!