WindRunner™ self-balancing electric vehicle user manual162. Install a new WindRunner2.1 Check the package contentOnce unpacked, carefully take out the handle and put it aside. Then, take out the mainframe.The mainframe is rather heavy; carefully take it out with the helpof another person. Take care when picking up the wheel hub withyour hands. Do not directly pick up the fender. Otherwise, thefender may be damaged, and fingers may be squeezed andharmed.