Originally Posted by nashvillebill

I'm an engineer, not a doctor, but it certainly seems to me that if one's body has physical issues, trying to cope with a single gearing ratio would be a hindrance rather than a help.

Multi-geared bikes can weigh less than 25 lbs without spending a fortune, around 20 lbs if more money is spent, and less than 20 lbs if even more $ is spent.