I am selling my Factor O2 VAM road bike, an ultra-lightweight and high-performance climbing bike, known for its exceptional stiffness and responsiveness. Custom exclusive build! I am parting with this beautiful, well-maintained bike, regularly serviced, never crashed. Frame: Factor O2 VAM size 52 Bottom bracket: Wheels Manufacturing Threaded (does not move unlike Ceramicspeed which is just pressed in) Headset: CeramicSpeed Transmission & Braking: Shimano Dura-Ace Di2 (latest generation) / Exclusive Silca titanium derailleur hanger Gears/transmission: 2x12 / 52-36 and 11-34. Cassette changed in 2025. Waxed from the start, so almost no wear. Exclusive crankset: THM Clavicula SE Compact (110) in 170mm (value >1200CHF), installed in 2025 Discs: Ti Carbon 160mm / 140mm (new, replaced at the beginning of the 2026 season, 350CHF for the set). Exclusive wheels: Bikebeat Massstab EXTRALITE Carbon SPD3. Wheels built with Berd spokes and Extralite hub serviced in 2026 by Cyp with body change. Weight <1030g in 35mm! Retail price: 4000EUR. Tires: Continental GP5000 STR 28mm. Good condition front, will be replaced with a new one at the rear, Tubeless setup Pedals: Keo Blade Carbon (possibility to negotiate for Favero Assioma Duo) Saddle: Selle Italia SLR carbon Additional information: - Weight: 6.50 kg as shown in the photo (with mount and pedals) - Silca Nastro Piloti Bar tape New - Sold with: Silca titanium aero GPS computer mount (120CHF), Factor welcome pack, Di2 battery charger, 2 sets of new brake pads, extra chains, and bottle cage. - Several maintenance invoices available upon request (wheels at Cyp, bottom bracket at Samsbike, etc).