Eight professional mountain bike riders including world-renowned rider and course builder Randy Spangler, will be at College Cyclery this weekend selling their bikes and gear.  A nice thing about being a pro rider is that sponsors throw down big bucks to ensure that their riders have the best equipment.  This is your chance to find out what they ride, how they ride and get crazy deals on top-notch bikes and gear. College Cyclery has been around since 1936 making it the oldest shop in town.  Known as the kings-of-kustoms, this shop puts out some of the baddest looking bikes in town.  The public is also allowed to open "shop" temporarily at the "Customer Appreciation Sidewalk Sale" and sell