Mohawk-Hudson Cycling Club
The Capital Region's largest and most active bicycle touring club.
Capital Bicycle Racing Club
The area's USCF affiliated racing club.
Maps & Q-Sheets
Peter White Cycles compendium of rides from around the country.
Sheldon Brown's Home Page
I imagine that company that makes good MTB stuff has a site like this too.
Race coverage from an American perspective.
Pro Cycling Magazine
Covering Euro pro cycling (British)
The only MTB mag worth reading.
Tandem mailing list (with archives). The best resource on the net for tandem info.
All the shop-quality tools you could ever need.
Third Hand/Loose Screws
Hard to find parts and tools. If your local shop can't get it, look here.