Universal GPS Speedometer (MPH) - No messy cables to the wheels. It just needs power and the GPS antenna!
Building a custom bike or just don't want to sift through piles of specifications for a speedo that will work? This speedometer is for you! No mechanical cables to run to your wheels, no speed sensors to hook up and calibrate. This speedometer just needs power and you're ready to ride!
Only three wires to hook up: