Well, I just bit the bullet and paid my admission. Looks like I have to start actually riding my bikes, instead of just staring at them with a beer in my hand. That, and I'll have to dig the abacus out of the attic so that I can start counting teeth on my cogs and rings, and performing the necessary trigonometry to calculate gear inches and rations, etc. Here in the flatlands of Chicago we generally just climb on our bikes and ride
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