Quote:
Originally Posted by Mass_nerder
Here's (maybe) a dumb question:
Without having a speedometer on my bike, how am I supposed to know how fast I'm going? I mean, if I'm biking through a playground zone and I'm keeping pace with the cars, I can obviously tell I'm going about 30km/hr, but without something to compare my speed to, I can rarely tell.
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If you have a tail wind, good luck staying at 20km/h