So. It is not quite finished yet, but I thought that I would give a heads up so far at 17.11 Lbs
It is very stiff and absolutely flies. When I ride with the XX forks it is very compliant too.
Frame: Niner Air 9 RDO – Large 19”
Fork: Niner RDO 15mm Maxle
Wheels: Roval 29" SL 142+ modified to fit 135
Tyres: S-works Renegade
Skewers: 15mm Maxle and 10mm RWS through bolt
Brakes: Hope Race X2 Evo
Cranks: Cannondale Hollowgram PF30
Spider: XX Modified chainline
Rings: Rotor Q rings 25, 38
Pedals: Egg Beater 11
Seat post: Extralite
Bars: Crank Bros Cobalt 11
Grips: ESI Chunky
Shifters: were X0 modified, now XX Grip shift
Fr Mech: XX
Rear Mech: XX
Cable housing: Jagwire
Saddle: Specialized Romin
Bottle Cage: Cannondale Imix
There are still a few things to do. I have a Ti spiderless single chainring to try, Scrub brake rotors, Maxis tyres, a toupe saddle, some modified skewers, lighter pedals, carbon seat clamp, lightweight expander nut, alloy valves, Ceramic BB and headset bearings, shorter steerer and remove spacer etc. I think that 16.00 Lbs is achievable and still be able to hammer it with confidence.
I also have the Rock shox XX fork for it in Niner green, these are being modified to accept the specialized brain damper.
Comments and advise are welcome