Now you can get the same upgrade for only $80 remotely. Please check:
PLEASE NOTE: THIS BOARD WILL NOT WORK ON MACHINES THAT HAVE A RIBBON CABLE CONNECTOR. EXAMINE YOUR CURRENT BOARD TO MAKE SURE THAT IT LOOKS LIKE THE PICTURES SHOWN. THIS DOES NOT APPLY IF YOU ARE DOING THE "REMOTE" UPGRADE SERVICE.
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:
This speed increase solution is made for Segway miniPRO and Ninebot S.
UPDATE: With the latest release of the SwallowBot firmware, we are happy to announce it is now compatible with GoKart Mode for miniPRO.