We ride, and the flow state takes over.

Ideas arrive, plans take shape, problems find solutions.

We take note.

Between laps, we put words to the digital page.

Here they are.

Guides

How to set up, service, and choose e*thirteen parts, written for the workbench and the trailhead.

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Engineering

The stories behind our products, from idea to reality. Prototypes, test data, and the decisions that shaped each design.

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The five Flux rim profiles, 33, 43, 54, 55 and 66, shown in section beside a built Flux 54 wheel on black.

Featured story / Guides

How to Choose the Right Flux Rim

How to pick a Flux rim for the riding you do, and why the front and rear don't have to match.

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News

Product launches, race results, and what is new at e*thirteen, told in full rather than in a press release.

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Riders

Bike checks, race recaps, and stories from the riders who put our parts through the hardest testing there is.

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Reviews

What riders and the press say after living with our parts. Independent tests, long-term reports, and honest verdicts.

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Inside a Sidekick 2.0 hub, the red pawl-pusher ring, marked 9, 13 and 18 degrees, between the freehub body and the hub shell.

Featured story / Engineering

How Sidekick Eliminates Pedal Kickback

The mechanism, the data, and what changed in Sidekick 2.0.

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