Argon 18 2021 Gallium CS Disc Ultegra

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With pro-level lineage, the Argon 18 Gallium CS Disc offers maximum value: industry-leading handling and performance at an accessible price point.

Ready When You Are

All the engineering knowledge of our World-Tour level Gallium Pro, in a more accessible package. The Gallium CS is the perfect way to make your mark on those long training days, or to jockey for rank in the group. This is the bike that will be waiting for your perfect ride, whether that’s a punishing climb, soaring descent, or flat-out sprint to the coffee shop. Easy to fit, intuitive to maintain and a pure pleasure to ride, the Gallium CS equally suits the randonneur and racer.

Ideal for

For those looking for maximum performance without maximum impact on their wallet – and want to be ready for that Wednesday night ride that always turns into a KOM quest.

Core Technologies


Argon 18’s proprietary 3D System is an integrated solution that extends the headtube for more positioning options.

Road Race Geometry

Our road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.

Argon Fit System

Argon Fit System is designed to provide riders of all sizes with consistent performance and optimal positioning.

Additional information


Black/Silver, Blue/Red


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