217 S. Fourth Ave., Ann Arbor; 734-214-9700; transitionrack.com
If you're ready to get serious about bicycling, you have probably already at least dropped by the professionals at Transition Rack. This is no hipster fixie spot; the full-service operation stocks a high concentration of specialty gear, bikes, apparel, and parts. From mountain and road bikes to cyclocross, triathlon, and yes, fixies — they've got you covered. No one working here is a salesperson; all are licensed bike mechanics, so you'll always get personalized, accurate, and up-to-date assistance.