Here are some useful external links to bicycle repair resources:

Our own volunteer mechanic John Felch offers ...

Man repairing child's bike on a stand Here are some bicycle-related tips and tricks:
Here are some resources for pricing bicycles:
  • eBay Search completed listings to discover prices of bicycles and parts that have sold
  • craigslist Search to see the prices people are asking for bicycles in the San Francisco Bay Area.
  • Bicycle Blue Book Internet search-based pricing guide.  There is also an iPhone app by the same name. 

On the subject of health and cycling: