File:Trek 4500 mountain bike McDonald's restaurant Broad Street Lyndonville VT June 2016.jpg - Wikimedia Commons
Trek 4500 Series Mountain Bike for Sale in New York, NY - OfferUp
2007 4500 - Bike Archive - Trek Bicycle
Trek 4500 Mountain Bike Suspension for Sale in New York, NY - OfferUp
16.5" Trek 4500 (0751 G3) - Working Bikes
Used Trek 4500 FRAME W PARTS 48-52cm - 19-20" - LG Frame 1 Speed Men's Bikes Men's Bikes
Hi! I have for a long time this early 2000's Trek Alpha 4500 and I want to do an upgrade project on this bike, what things do you recommend me to upgrade