All, I've lost enough now that I can ride an upright mountain bike around the neighborhood for exercise instead of a recumbent at the gym. Weird thing....real bikes use totally different muscles than recumbent gym bikes. Or maybe its because I can't set the resistance too low! :-)
Anyway, I rode a quick mile track around my neighborhood that we usually walk and my thighs were BURNING. If I rode 3-4 times a week doing the same course around the neighborhood, how long would it take to build up endurance to go further? I know, "it depends" on lots of things....I just mean in general how long does it take one to build endurance?
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