Argon 18 Gallium Rim Brake Shimano Ultegra R8000 Bike

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The Gallium is a superlight bike designed to climb the highest peaks in the world. When riding downhill, its remarkable stability and razor-sharp handling deliver a stellar performance. What's more, the Gallium features our 3D System, a structural extension of the headtube, for precision positioning and added stiffness.

Experience a meteoric rise to the top. Feel the speed on the descent and take-off with the Gallium.

  • Exceptional Versatility Across Conditions
  • Press-Fit 3D System: each frame size has three head tube heights for increased rigidity versus standard spacers
  • Reversible Carbon Seat Post: Features tailored front/rear positioning
  • Size-Specific Geometry
  • UCI Approved Fork and Frame
  • Optimal Balance: Optimal combination of power, lightness, and rigidity for all riders 
  • Frameset Weight: 869 grams


  • Frame: Argon 18
  • Fork: Argon 18
  • Seatpost: Argon 18 Carbon 27.2MM
  • Sizes: XXS, XS, S, M, L, XL
  • Headset: FSA 37+3D 1'' 1/2
  • Front Derailleur: Shimano Ultegra R8000 Braze-On
  • Rear Derailleur: Shimano Ultegra R8000
  • Shifters: Shimano Ultegra R8000
  • Brakes: Shimano Ultegra R8000
  • Crankset: Shimano Ultegra R8000 52/36
  • Cassette: Shimano Ultegra R8000 11/28
  • Gears: 2x11
  • Chain: Shimano Ultegra HG700
  • Bottom Bracket: Shimano BB Press Fit SM-BB71-41B
  • Stem: FSA Energy Alloy
  • Handlebar: FSA Energy Alloy
  • Saddle: Prologo New Nago Evo (Tirox)
  • Tires: Vittoria Rubino Pro 700x25
  • Wheelset: Vision Trimax 30 
Build Type:
Complete Bike Rim Brake