Just read my RBR ezine and saw this link for Icebike.
http://www.enteract.com/~icebike/ There is a website for EVERYTHING ! Now that my hybrid has become my 2nd bike, I'm tempted to flirt with disaster with my 42 year old bones and ride tomorrow. I can see myself putting screws in my knobbies in the future. I must be forgetting all the crashes on ice delivering newspapers in my youth