![Trek 3900( Alpha Custom Aluminum ) Mountain Bike, 24Speeds. Size : 49.5cm Good Condition. for Sale in Plantation, FL - OfferUp Trek 3900( Alpha Custom Aluminum ) Mountain Bike, 24Speeds. Size : 49.5cm Good Condition. for Sale in Plantation, FL - OfferUp](https://images.offerup.com/CLYByOeVc_FJSVRkxhEMzX2KQ-Q=/1008x756/5489/5489b0ae012a44e8b37306ffae0ac041.jpg)
Trek 3900( Alpha Custom Aluminum ) Mountain Bike, 24Speeds. Size : 49.5cm Good Condition. for Sale in Plantation, FL - OfferUp
![Trek 3900. Seller asking $125. Good deal? Don't know a whole lot about bikes. Needing to get one. : r/whichbike Trek 3900. Seller asking $125. Good deal? Don't know a whole lot about bikes. Needing to get one. : r/whichbike](https://preview.redd.it/trek-3900-seller-asking-125-good-deal-dont-know-a-whole-lot-v0-b59pruht5o891.jpg?width=640&crop=smart&auto=webp&s=148baca2e451179bc06c36530a4460e10ec46e2e)
Trek 3900. Seller asking $125. Good deal? Don't know a whole lot about bikes. Needing to get one. : r/whichbike
Custom Trek 3900 Mountain Bike - 16” Small Frame - Bicycles - Peabody, Massachusetts | Facebook Marketplace | Facebook
![Trek 3900 Bike Vintage MTB M 16" 26" 2005 V-brake Hardtail SR Suntour Charity! #Trek | Vintage bikes, Trek bikes, Bikes for sale Trek 3900 Bike Vintage MTB M 16" 26" 2005 V-brake Hardtail SR Suntour Charity! #Trek | Vintage bikes, Trek bikes, Bikes for sale](https://i.pinimg.com/736x/75/68/27/75682773119c5bc65bc838fbc2321bcd.jpg)
Trek 3900 Bike Vintage MTB M 16" 26" 2005 V-brake Hardtail SR Suntour Charity! #Trek | Vintage bikes, Trek bikes, Bikes for sale
Scheller's - Used Used Trek 3900 Ladies Low Step Green - Scheller's Fitness & Cycling Louisville, Lexington, Clarksville
![Trek 3900 Mountain Bike 26" Wheel 16" Alpha Aluminum Frame, 24 Speed #Trek | Bikes for sale, Bike, Antigua and barbuda Trek 3900 Mountain Bike 26" Wheel 16" Alpha Aluminum Frame, 24 Speed #Trek | Bikes for sale, Bike, Antigua and barbuda](https://i.pinimg.com/736x/7d/2d/d8/7d2dd89f1d7882916c66d21623169bc6.jpg)