I like the description of the Seven in mtbrDot's link
Full specification
Frame: Seven Sola Gold custom, Cirrus™ Ultra-Butted™ and Argen™ butted titanium
Fork: RockShox SID World Cup w/ carbon crown and XLoc compression damper, 90/100psi positive/negative
Critical measurements
Rider's height: 1.66m (5' 6") ; Weight: 52.6kg (116lb)
Seat tube length, c-c: 373mm
Seat tube length, c-t: 410mm
Saddle height, from BB (c-t): 690mm
Tip of saddle nose to C of bars (next to stem): 511mm
Handlebar drop: 15mm
Head tube length: 90mm
Top tube length: 558mm
Front brake: Avid XX w/ 160mm rotor
Rear brake: Avid XX w/ 140mm rotor
Brake levers: Avid XX
Front derailleur: SRAM XX
Rear derailleur: SRAM XX
Shift levers: SRAM XX
Cassette: SRAM XX, 11-36T
Chain: SRAM PC-1090R
Crankset: SRAM XX, 175mm, 28/42T
Bottom bracket: SRAM XX BlackBox
Rims: Stan's NoTubes ZTR Race
Front hub: American Classic Disc 130
Rear hub: American Classic Disc 225
Spokes: DT Revolution 1.8/1.5mm, 32h, red alloy nipples
Front tyre: Kenda Small Block Eight DTC, 26×1.95", converted to tubeless
Rear tyre: Kenda Small Block Eight DTC, 26×1.95", converted to tubeless
Bars: Truvativ Noir World Cup, 580mm
Stem: Truvativ Stylo World Cup, 100mm x 5º
Headset: Crank Brothers Cobalt SL
Tape/grip: ESI Racer's Edge, shortened
Pedals: Crank Brothers Egg Beater 4Ti
Seat post: Syntace P6 Carbon
Saddle: fi'zi:k Aliante w/ braided carbon rails
Bottle cages: King Cage Titanium
Total bike weight: 8.74kg (19.27lb)
Now that's how much a very light hardtail weighs in the real world, I bet all the people claiming 17-19lbs on here don't have kit half that weight.
:)