You’re riding your bike often now and you’re wondering what you need to do to keep it up, right?  Maybe not but let’s pretend for the moment that you want to keep your bike ready, out of the bike shop and embracing the greasy ways of working on your own bike.

There is a great accessory for your bike called a bike computer or cyclometer.   Like a cars dashboard it can tell you many things about your speed, average, time and even get into more detailed things like cadence*, heart rate or incline.  The computer works on your bike by either a cable running from the computer head unit on your handlebar/stem area down your bike to a sensor that zip ties on.  Then a magnet is placed on your wheel, …