According to the Segway Ninebot website, Segways have a maximum speed of 12.5 mph. That's quite a lot when headed straight to the bone via a metal rod. They can also travel 14 to 18.5 miles on a single charge. One man near the self-propelled helicoptering scooter yelled that it had been going for four to five hours. In that time, it defeated a broom, a shovel, and more trying to slow it down.