Klein Quantum II. Ringle/Dura Ace, Topline, build. SWAP?

For sale: Klein Quantum II. Kenesis Carbon fork (original included). Toptube 55cm m-m. Ringle Zooka (blue/green), Moby (green), H2O (blue/green), QR (blue). Topline cranks with action tech titanium & Middelburn rings, Dura Ace 7402 Sti, Rear and front mesh. Drilled front mesh clamp, Flite Saddle, Cane Creek 200sl titanium/alu brakes with Swiss stop Black Prince blocks, Chris King nothread set and CK spacers. All bolts titanium or aluminium (some SRP). Titanium BB spindle. Soma bars with modern bend (only no period correct part).

Wheels:
Option 1) Ringle Ti-Stix with Hed (branded) full carbon rims. Titanium/revolution spokes.€1500 plus shipping from Denmark at cost.
Option 3) Bike without wheels. €1100 Plus shipping

No pedals included.
Including an Size medium Klein jersey (Pink/green/white-Thinker years model).

I MAY BE INTERESTED IN SWAPPING FOR THE NEXT SIZE UP (55/57) QUANTUM PRO OR II (up to 1996, so No treks please).

Shipping in Europe: €90.

More info on sizing

53cm centre to top of top tube.
56cm centre to top og Seat clamp
Seat height on pic 73cm
Head tube 11cm
Stem 120mm (or 125mm)
Saddle nose to bar centre 54cm
Bars: 80mm reach, 120mm drop

It would be possible to require the bike with the Ringle/head wheelset for an pricetag on top. We can negotiate the coast. They are build with Nos Ti-Stix hubs converted to road spacing and an Clincher full carbon rim (not original Hed) drilled specific for upside down spokes. Spokes are 2.0-1.6-2.0 Sapim in front and Titanium (non drive) and DT Revolution (drive). No nippels in the rim side (light rotation).

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What is the BB Shell and Groupo I could use for this exact frame? Picked up NIB one just last year!