How to Test a Bicycle Speedometer

How to Test a Bicycle Speedometer
Bicycle computers--or speedometers as they are also called--calculate low and high wind speeds to measure speed. Use a speedometer to train for a race or marathon or to track your daily speed for weight management and general fitness goals. Once you've installed a speedometer according to the manufacturer's instructions, you'll want to perform a quick test to be sure the equipment is working properly. Over time, you may also want to perform routine tests to make sure maintenance is not needed.


Difficulty: Moderately Easy

Step 1
Attach the speedometer as directed.
Step 2
Choose a course or trail that is clearly marked for distance. You can also use any track that circles a football ball.
Step 3
Start the speedometer as you start to cycle along the length of the path. Maintain a steady pace. Check for a reading on the speedometer, but do not stop pedaling or stop your bicycle until you have completed the full length of the course.
Step 4
Use the formula "rate equals distance divided by time," or R=D/T, to check the accuracy of your speedometer. If you cycled two miles in 30 minutes, calculate R=2/.50.
Step 5
Check the speedometer. It should indicate that you cycled 4 mph.

Tips & Warnings

If your speedometer is not working properly, return it to the manufacturer.

Article Written By Charlie Gaston

Charlie Gaston has written numerous instructional articles on topics ranging from business to communications and estate planning. Gaston holds a bachelor's degree in international business and a master's degree in communications. She is fluent in Spanish and has extensive travel experience.

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