www.cycletucson.com (bike rentals)
bicas
bohemianbicycles.com
Redline Bicycles
GABA
Harris Cyclery (Sheldon Brown)
New Bohemians (Extreme Touring)
Rudi NadlerTom and Janie Ebenhack Realtors
www.tucsonspokes,com/
Here are a few website links that may interest you.