James at Bicycle Design points out that Sheldon Brown, one of the most helpful and knowledgeable bike experts on the internet, is suffering from neurological problems that have pushed him from two wheels to three.
Brown is keeping a health journal on his condition, and the current diagnosis is maybe Multiple Sclerosis. If you’ve considered riding or sponsoring a rider in an MS 150 ride this year, maybe this will provide a little extra motivation.
If you’ve never experienced Brown’s bike pages, here’s a good place to start. Here’s his Bicycle Glossary, here are repair tips, and here’s his fixie page.