The Segway Ninebot Gokart Kit is both an adult~s dream kart and a kid~s dream car. It is one of the most unique accessories Segway-Ninebot has ever released. By attaching your Ninebot S base to the kit you~re able to enjoy a fully functional go-kart, and to reach top speeds of up to 10 mph (24km/h). With an adjustable frame length for riders between 4~5~ to 6~3~, three speed modes, and a maximum user-weight-bearing of 220 pounds (100 kg), both parents and kids will be able to enjoy the riding! With a steering ratio of 2.1:1, the GoKart Kit allows for precision steering and the ability to round very tight turns. Battery life varies across different driving modes with a maximum range of 13.7 miles. Connect your GoKart to the app via Bluetooth to display driving speed, cruising range, and reminders in real-time. A minimum of 20 ft (6m) braking distance is required for Segway Ninebot Gokart and it~s recommended to use the product in spacious environments. The purchaser and rider of this product are responsible for knowing and obeying all state and local regulations regarding the use of this product. It is highly encouraged that you read and follow the product instructions including all safety precautions and use protective gear.