How about this carbon fiber mountain hardtail bike from the picture? Isn't it handsome? Do you want to build one for yourself? The following is the assembly list of one of our customers. The cost of the whole vehicle is about $2000.

Frame – Trifox Carbon MTB Frame MFM200
Groupset- deore xt-m8120 4piston.
Seatpost – profile design
Saddle – fizik
Hubs – fastace
Disk – shimano icetech
Handlebar – syncros
Fork – tfsa carbon
Mavic crossride -wS
XC folding tires
Deore XT standard BB

carbon-fiber-mountain-hardtail-bike