Polymer files #34

Machine Portrait | Argonaut GR3

Introducing the Argonaut GR3 equipped with Campagnolo Super Record X and Polymer Workshop® components.

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Argonaut GR3

At the core lies the Argonaut GR3, a fully custom carbon frameset built to order in Bend, Oregon. Each frame is constructed with a standard modulus carbon layup specified to the individual rider, addressing torsional stiffness and vertical compliance to suit weight, riding style, and terrain.

The GravelFirst™ geometry features a double dropped chain-stays on both drive and non-drive side, resulting in tyre clearance up to 700×50 mm. Full internal cable routing runs from lever to derailleur and brake throughout.

  • GravelFirst™ Geometry
  • Full Internal Cable Routing
  • T47 Threaded Bottom Bracket
  • Tyre Clearance up to 50C

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Campagnolo Super Record X

Complementing the frameset is the Campagnolo Super Record X groupset. Developed specifically for high-performance gravel riding, this 13-speed wireless platform delivers fast, precise shifting across a wide gear range suited for mixed terrain. The redesigned Ergopower controls improve comfort and control over long distances, while the fully wireless architecture ensures a clean, reliable setup built for demanding off-road conditions.

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Polymer Workshop® Components

Beyond 45:50 Wheelset
These wheels are made for ultimate performance on mixed terrain, designed around an ultra-wide 33 mm internal rim to support modern high-volume tires while maintaining speed, stability, and control across varied surfaces.


Rover Handlebar
A fully integrated handlebar system engineered for lightweight efficiency, long-distance comfort, and confident control across all riding conditions.


Bidon Cage
Combines exceptional strength with a sleek aesthetic, delivering superior lightweight performance alongside a secure and reliable bottle grip.


Obelisk Seatpost
Provides stability and support during the most demanding rides. Designed with a classic two-bolt clamp system for precise, secure, and easily adjustable saddle positioning.