TREK 4100 Bicycle. Needs some work, probably rear wheel bearing. for Sale in Blawnox, PA - OfferUp
Trek 4100 Frame Size 20 FINAL SALE!! | eBay
RLB Cycleworks - A nice 2004 Trek 4100 aluminum frame mountain bike with a 16” frame. Professionally serviced and ready to ride! A higher-end mountain bike with an semi-aggressive geometry with excellent
Trek 4100 Alpha Mountain Bike for Sale in Toms River, NJ - OfferUp
Bike Tech Usedbike Trek 4100 Red/Blk 19.5 - Bike Tech | Cedar Falls, IA | (319) 266-5979
Trek 4100 Frame Size 20 FINAL SALE!! | eBay
2004 Trek 4100
21.5" TREK 4100 Aluminum Hardtail Mountain Utility Bike ~6'1"-6'4"
Trek 4100 reviews and prices - Hardtail bikes
Trek 4100 - 17.5" - Wheel & Sprocket | One of America's Best Bike Shops