Argon 18 2021 Dark Matter Gravel Bike

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Go way off the beaten path with this gravel racer featuring true road race-inspired geometry derived from Argon 18’s legendary race bikes. Some will blaze the trail, but on the Dark Matter, you will scorch it.

Where the pavement ends

For when the route is unpredictable – but the ride must be solid. Head way off the beaten path with this gravel racer featuring performance-driven geometry derived from Argon 18’s legendary World Tour bikes. Go wherever the day takes you with assured handling and optimal power transfer, to control the terrain regardless of the surprises it may throw at you. Argon 18 wanted a bike that offered supreme confidence alongside racing behaviour, a bike that would feel just as playful and responsive on the dirt as it would on the road.

Their gravel geometry provides fork rake specific to frame size, to allow for tight turn clearance on more technical runs, and with an eye toward ride quality, the Dark Matter features seatstays designed to flex and dissipate shocks. You’ll also get three head tube extension heights for every frame size with our streamlined 3D+ system: 0mm, 15mm and 30mm.

Ideal for

Gravel racers looking for poppy performance and nimble responsiveness on all terrain.

Core Technologies


For their newest generation of bikes, they wanted to push their 3D System even further by merging it seamlessly with the frame.

Modular Cable Console

Di2 and wireless optimized, compatible with mechanical and EPS groupsets.

Gravel Geometry

Their gravel geometry draws on our endurance geometry, itself directly inspired by our performance road race series, meaning handling, responsiveness and race-ready positioning are paramount.

Topological Compliance System

To achieve the optimal balance of comfort and performance for our endurance line, they needed geometry uniquely aligned with the demands of long-distance riding and racing. In conjunction with the best geometry, they also needed to optimise frame topology and carbon layup.

Argon Fit System

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

Elite Level Layup

Argon 18 believe the discerning cyclist deserves more than just trickle-down technology. Their Elite level bikes benefit from the same attention to detail as our Pro level ones.

Additional information


Blue/Red, Silver/Black


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