cross-posted from: https://sh.itjust.works/post/32411478
That's a mount for a bike computer.
this post was submitted on 07 Feb 2025
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What is this thing?
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Ok ten minutes still not bad.
now tell me what a bike computer is
Tells you the speed the bike is going, revolutions of the pedals, your heart rate, etc.
They first started off by placing a little magnet on a spoke of a tire, a sensor on the frame, and entering the diameter of the tires into the computer. Each revolution (pass of the magnet) would indicate that distance traveled in the time of the revolution, so it could tell you your current speed, average speed, and distance. New ones are much more fancy with maps, pre-planned routes, elevation, hear rate, etc.
wow! that is amazing... im gonna get one
There are some apps that can do a lot of that already, so it might be worth checking them out to save some money. The bike computer is gonna be more convenient and specialized tho.