The miniPRO is a wonderful self balancing transporter capable of giving you a smooth ride. The Ninebot Gokart Kit lets you take it to the next level. It turns your scooter into a fully functional electric Go Kart with max speed of 15mph and range 9 miles. You can adjust the length of the frame to fit your needs.
The Ninebot Gokart offers 3 speed settings. It has a max weight capacity of 220lbs. The Segway app lets you change lighting, speed settings, and update firmware.
[where to get it]