Paris, France-based Atelier Medium recently shared a few images of a built-up version of their forthcoming ATB, and it’s looking like an intriguing and reasonably affordable frameset that could take on a multitude of forms. Find a sneak peek at it here…

Long in the works, Atelier Medium in Paris just unveiled a peek at a complete build of their soon-to-be-released frameset, which they’re simply calling “Proto” for now. They say their intent with showcasing this build was to create a simple bike that would be easy to maintain and could be used on and off trails anywhere without needing special tools or hard-to-find parts. At they put it, this interpretation of the Proto is, “something functional, a bike that you could be using during your daily commute, that could get chunky tires, and that would ultimately give you the motivation to get out of your comfort zone and explore more during bikepacking trips.”

  • Atelier Medium Prototype
  • Atelier Medium Prototype
Atelier Medium Prototype

The frameset will soon be available in three sizes: small, medium, and large. From their Instagram, it appears there will be three colors available as well. Complete geometry details are forthcoming, but they confirmed that the frameset is made of Chromoly steel and is built in Taiwan. The price is expected to be around €600 ($600). It looks to be a very practical base for an ATB, and you can find a full build kit of this particular bike below.

  • Atelier Medium Prototype
  • Atelier Medium Prototype
  • Atelier Medium Prototype

Atelier Medium Proto Build Kit

  • Frame/Fork Atelier Medium Prototype (Size L)
  • Rims 27.5″ DT Swiss EX511
  • Hubs Hope Pro 2 Evo
  • Tires Maxxis IKON 27.5″ x 2.20
  • Handlebars SQ LAB 321
  • Grips Ergon GA3
  • Headset Atelier Medium Standard Headset
  • Drivetrain Mix of SRAM GX and NX
  • Chainring Garbaruk 32T
  • Brake Levers SRAM Avid Speed Dial 7
  • Brakes SRAM Avid BB7
  • Rotors Avid G2 Rotors (180mm)
  • Saddle Ergon SMC Core Men
  • Seatpost Thomson Elite
  • Stem Thomson Elite X4

You can find more details and further updates over on the blog at

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