The BicycleTutor.com website offers free online videos that help you repair and tune up your bicycle. These tutorials listed below (and many more) will help keep your bike in great shape so you won't miss a moment of urban trail riding.
Basic Bike Repair Tools
The 511 Bicycling organization is a great resource for planning your bike commute. The commuting tips preparation list includes:
The City of San José Bike and Pedestrian Program offers free Bicycling Skills classes for adults and teenagers (with an adult). Topics covered are: