How to get rid of the 20mph speed limiter on your Radrunner 1 without cutting any wires if you do not have the display.

Flip the bike upside down
Trace the wire from the motor in the back wheel to the controller
Unplug the connection cable between the 2
Find the pin referenced in the video in the connector
Cover it with electric tape
Plug connector back in
Add your zip ties

Ready to go.