This is a Jet 9 RDO carbon fiber frame from 2012. The bike was custom built with the lightest and most top quality components. Some of the parts are brand new and never ridden on this bike, like the tires, seat post, and grips.

The retail cost of this bike was $8,000, which makes sense when you add up all the parts:

Niner Jet 9 RDO XL Frame ($2,500 Retail)
RockShox Sid XX World Cup Fork, carbon fiber crown (Retail $1,100)
SRAM XX1 drivetrain ($1,200 Retail)
Easton EC90 XC Carbon Fiber Wheels ($2,000 Retail)
Niner Carbon Seatpost ($200)
Ritchey WCS Stem
Avid XX Brakes

Weighs just over 22 lbs.