RAGBRAI Teams
Team Buttice
Team Checker
Team Martini
Team Mosquito
Team Sniff
Team Spin
Team VIP

Companies
Bianchi
Cannondale Bicycles
Giant
GT Bicycles
Haro
LeMond
Torelli
Trek Bicycles
Diamondback Bicycles
Specialized Bicycles

Online Shops
Altrec.com
Bike Nashbar
Bike World
Colorado Cyclists
Excel Sports
Icycles
Performance Bicycle
Phat Tire
Supergo
Vintage Velos

Magazines
Bicycling
Bike.com
Triathlete
Tandem Magazine

Misc.
Roadbikereview.com
The Des Moines Register's RAGBRAI page
R. Bruhn's Best and Worst of RAGBRAI
Menotomy Vintage Bicycles
Centric Bicycle Link - Buy, Sell, or check book values
National Bicycle Tours - Listings of many multi-day rides
Cyber Cyclery - A hub of bicycling
Mountain Biking - The internet's mountain Bike Park