Suspension type: air
Rear suspension: custom two-link with bags mounted to the side of the frame - couple hundred for the link parts
Airbag type and size: Front: Firestone 2500 Rear: Firestone 2600 - couple hundred
Spindles: Belltech 2-inch drop spindles - couple hundred
Valves: 3/8-inch ARO - bout 30$ each x 8 - couple hundred
Compressor: Viair 450 - couple hundred
Frame mods: 6-inch notch - hundred
Gas tank: aluminum fuel cell - couple hundred
Same as always..couple thousand, and don't forget if you don't do all the work yourself, you are a hypebeast poser.