OPEN is the brainchild of Andy Kessler & myself. Andy’s career spans from downhill racer (back when helmets were optional!) to CEO of BMC. My career includes co-founding Cervélo, where I’ve done everything from engineering & design to sales, supply chain and marketing.


But instead of “bigger is better”, Andy and I now prefer “working hard to stay small”. Our decisions are based on “relentless simplicity” in product design and corporate strategy.


I engineer the frames; Andy gets them into your hands. We both answer customer questions so you get the best info and we get the best feedback. That’s it.

To learn more about OPEN, please visit our website or contact us with any questions at or

Welcome to OPEN.

2 Responses to “OPEN”

  1. Marc Says:

    In the spirit of open:

    1) can you use the new Shram X1
    2) can the bike be procured without the front derailleur fixed mounts

    This plus (for example) all RIchey WCS Carbon and their Rigid front Fork and you will have achieved the ultimate.

    Please advise. Thanks.

    • Hi Marc,

      Yes you can use XX1. You just order the XX1 cable stops and then there aren’t even any unused cable entry holes or anything. As for the front derailleur mount, the S3 mounts are very “modest”, you can’t really see them when the crank is mounted. And I wouldn’t recommend removing them as they are part of the structure.

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