my upgraded 2010 trek 3900 by mtbboyvt on DeviantArt
Mountain Bike Photos | Rides, Bikes, Gear | Pinkbike
Thanks Crane Creek! I installed a tapered fork into my Trek 3900 (non-tapered frame). I'm a mountain biker on a strict budg… | Mountain biker, Mountain biking, Bike
Trek 3900 Review - YouTube
Photos of your TREK'S | Page 30 | Mountain Bike Reviews Forum