My son went overseas and didn't ride it for a year so selling it is better than collecting dust! I just tried it, it rides fine, shifts well and would be perfect to start using as is. Front tire has little knobs left but works well. Here are the specs I found: Trek 4500 mountain bike, 49.5 cm frame, Rock Shox Jett front suspension fork, Shimano V-Brake & (3x8) shifters, Shimano Alivio derailleur, 26" wheels, A.R.S. saddle, 26 X 2.1 knobby tires, Shimano Dual SIS Altus gears.