The OB1

The Thesis OB1 is a carbon all-road gravel bike made for perfect asphalt to rocky trails and everything in between. It's fast, versatile, brilliantly equipped, and built to last.
Combine that with our factory-direct pricing, and you’ll understand why it’s been called “unbeatable”.

THE OB1
Starting at $3299

Our original legendary all-road gravel bike.

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THE OB1 AXS 1x
Starting at $4999

The best of the OB1, now with electronic AXS 1x.

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Questions? Don't hesitate to reach out.

Have a question on fit? Need help choosing the right build kit or configuration for how you ride? Let us help. We'll treat you like a friend and help you find the best bike for your needs, regardless of who makes it.

To get started, drop us a note at hello@thesis.bike.

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