i have a mongoose xr850.not much of the original stuff is still on there though.love the frame.took a frame i like and have been building piece by piece.its a 00 not 04 model.funny thing is the brakes,front shock,and seatpost all had a sticker that said not intended for rough use or offroad use.they r all gone.save for the hardrock unless you like repairing/rebuilding(i do)