METRIC MEASUREMENT: The speedometer is in KPH which is the most commonly used measurement, not in MPH. One kilometer is 0.62 miles. When the speedometer needle indicates 30 KPH, the speed is approximately 18.6 miles per hour.
AUTO-RESET: There is no reset button. As a mechanical speedometer, the odometer will return to 0 when the mileage reaches 9999.9 to start over.
EASY TO INSTALL: Simple installation takes only a few minutes. Mount the reader on the handlebar, attach the gear to the front wheel axle, connect them with the cable. No need for batteries and adjustment settings.
CLASSIC STYLE BICYCLE SPEEDOMETER: Chrome frame Old style Retro Bicycle Speedometer with Crystal Acrylic, looks great on your bike. Large in size, easy to read.
APPLICABLE: Speed in RPM Odometer 24-27.5 inch wheels. Perfect for 26-27 \" road bike, mountain bike, folding bike and old style exercise bikes. This speedometer CANNOT be compatible with some electric assisted bikes. It is not for quick release wheels or speeds above 38 MPH (60 km/h).