Argon 18 Nitrogen Disc Ultegra Di2 (2020)

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2020 marks the second season of the Nitrogen Disc, Argon 18’s very popular and truly modern road bike for those who want it all; an aero frame, a super versatile bike packed with features, increased rigidity and the superior braking power of flat mount disc brakes.

The Nitrogen Disc answers the call of those dreaming of the one bike that will rule them all. It will let them race criteriums, the occasional triathlon or simply get out there on a super fast stylish bike.



  • HIGH PERFORMANCE CARBON MONOCOQUE FRAME - Very stiff yet light, it offers all the advantages of disc brakes with no weight compromise
  • MONOCOQUE FORK DESIGNED FOR FLAT MOUNT DISC BRAKES - 80% increase in lateral stiffness vs Nitrogen Pro with same comfort level
  • VERSATILE AERO BIKE - Road geometry with an aero profile, the perfect mix for flats and climbs
  • IMPECCABLE HANDLING - Superior downhill stability and handling
  • SIZE-SPECIFIC GEOMETRY - Well balanced ergonomic fit for every frame in every size
  • REPLACEABLE REAR DERAILLEUR HANGER - Optional direct mount hanger supplied
  • FLAT MOUNT DISC BRAKES (140/160 ROTORS) - Optimal braking in all conditions
  • UP TO 28C (30MM) TIRE CLEARANCE - For maximum comfort and compatibility
  • AERO CARBON SEAT POST - Light and easily adjustable
  • 3D SYSTEM - Extends positioning flexibility by offering 3 head tube heights for every frame size without sacrificing any rigidity; system preserves 5% and 11% more incremental frontal rigidity vs. standard spacers when the handlebar is set at 15mm and 25mm respectively.