![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/sHmYfYzg3_mz0mQ2G-qU6-lr9Wg=/250x333/29b2/29b27fffecda4f789b37701be682b403.jpg)
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 Trek 3900( Alpha Custom Aluminum ) Mountain Bike, 24Speeds. Size : 49.5cm Good Condition. for Sale in Plantation, FL - OfferUp](https://images.offerup.com/ZtxFIyJQtWE5Rnz7dndTR2XPWak=/333x250/4163/4163160be97845cc80615db4826a35fe.jpg)
Trek 3900( Alpha Custom Aluminum ) Mountain Bike, 24Speeds. Size : 49.5cm Good Condition. for Sale in Plantation, FL - OfferUp
![Trek 3900 Alpha Mountain Bike - custom aluminum, 18" or 46cm size, new comfy seat for Sale in Seattle, WA - OfferUp Trek 3900 Alpha Mountain Bike - custom aluminum, 18" or 46cm size, new comfy seat for Sale in Seattle, WA - OfferUp](https://images.offerup.com/czjSVRn1oi3Bgj4Tj_z4VHakBdc=/1000x750/6448/64481306132f4d299d78f1766adf9a1e.jpg)