Originally Posted by
Mazama
I often get pain/numbness only in my left foot, which leads me to believe my legs are different.
Have you considered orthotics just for your cycling shoes? I use conformable custom ones (GBP/USD ~50.00) but superfeet step in orthotics are very good too. It may just be that a little extra support will remove any numbness, hotspots and pain. At least that's what it did for me.
http://www.sidas.com/ - still
under construction (their old non-flash site was fine
) - anyway there are a number of shops in the US with the con'formable heat mouldable footbeds. They're very good, take ~30min to fit and make and much less expensive than a full custom job from someone with a medical qualification.
http://www.superfeet.com/activity/cycling.aspx - preformed, drop in, orthotics that are also very good but only go to a US17 I think
edit: superfeet shoe size correction