In 2005, the Gallium Pro introduced a new way of thinking about pro-level carbon frames.

They were convinced that one frame could be light enough for World Tour mountain stages, stiff enough for bunch sprints, and comfortable enough for epic group rides. Argon18 prove themselves right time and time again – five times, in fact, from the first Gallium right up to today’s 15th Anniversary Edition. But they’re not willing to stop there – their racing pedigree doesn’t let them rest easy.

“Celebrate the past by moving forward! 2020 marks the 15th anniversary of the Gallium line. To commemorate this anniversary, we look to the future and launch a limited edition of a new Gallium Pro disc. The new Gallium Pro Disc uses graphic elements from the very first Gallium, such as Gervais Rioux’s signature and the brand’s 2005 logo. But this artwork is also the result of our learnings from custom paint jobs we have done for some of our pro athletes’ bikes. It was important for us to transfer these learnings on to bikes from our regular line-up.” - Team Argon 18


Optimal Balance - Optimal Balance is the design and fabrication philosophy behind all of Argon 18’s bikes. It is the subtle alchemy of lightness, rigidity, comfort and aerodynamics.

The result: a high-performance bike that is easy to ride, that handles well when climbing and is quick off the mark. What’s more, it provides the rider with a feeling of satisfaction without any unwanted fatigue. Much more than a simple idea, Optimal Balance is the result of over 25 years of research and development—expertise which reinforces Argon 18’s reputation as a world leader in high-end bikes and technology.

AFS - Argon Fit SystemArgon 18’s expertise in geometry is based on Gervais Rioux’s vast experience as a professional cyclist and a bike shop owner as well as extensive research and development. The Argon Fit System (AFS) is designed to provide riders of all physical dimensions with consistent performance and optimal ergonomics. No matter what your morphology or your racing style, your positioning will always be efficient and comfortable, ensuring the ultimate in handling.

Positioning and GeometryAt Argon 18, they design their bikes by breaking the frame down into eight distinct sections, each with a specific role. As the length of the frame increases so does the length of each section. This preserves the bike’s well-balanced proportions and ensures that all their frames, regardless of size, have ideal ergonomics and flawless handling.

3D System - Argon 18’s exclusive 3D System is a clever mechanical solution that extends the headtube for more positioning options. Three headtube positions are possible for every frame size; this increases rigidity by 5% at 15mm and 11% at 25mm, versus traditional spacers. With this system, the handlebar height can be perfectly adjusted to meet the needs and preferences of every rider.

HDS - Horizontal Dual System - With its Horizontal Dual System (HDS), Argon 18 has succeeded in combining rigidity and comfort, qualities that are typically seen as mutually exclusive. The basic idea is simple: our frame tubes are each designed for a specific purpose.


Weight savings - 160g weight savings: on a disc frameset already light by industry standards

New Fork - New fork for DT Swiss type thru axle: corner-carving performance with industry-standard compatibility

Direct-Mount Rear Derailleur - User-friendly, smooth shifting even at top speeds.

30mm Tyre Clearance - Comfort without compromise

World Tour Proven Geometry - A race-ready fit suitable for all riders

Limited Edition 15th Anniversary Graphics - Graphic elements from the original 2005 version combined with a unique paint job that will stand out in any group ride

Optimal Balance System - Lightweight, stiff performance with muti-stage comfort


Frame Gallium Pro Disc 15th Ann. Edition
Fork Gallium Pro Disc 15th Ann. Edition
Seatpost TDS Race Light 27.2mm Carbon
Headset FSA - 37 + 3D 1" 1/2


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