Software solution to increase maximum speed to 14+mph (with regular tires) and up to 17 mph with off-road or hybrid tires. Below are major features of the SwallowBot upgrade: Increases maximum speed from 10 mph to 14.5 mph or up to close to 17 mph if you have M4M off road or M4M hybrid tires. Removes annoying sounds and pushbacks in the cases of overspeed and/or overpower. Removes speed limitation when the battery power gets under 10%. You will still be able to enjoy full speed. Allows you to downgrade Ninebot/Segway firmwares safe and fast. This speed increase solution is made for Segway miniPRO and Ninebot S. Please note, you will not be able to use GoKart with miniPRO or Ninebot S if you have SwallowBot firmware installed.