Sarah’s Madrean Pinion Gearbox S&S Dirt Tourer

Last week, we took a look inside the shop of Madrean Fabrication and Hubert’s own dirt tourer. Now we get an up close and personal look at Sarah’s Pinion gearbox, S&S coupler dirt tourer.

Both Sarah’s and Hubert’s Madrean have very similar details in terms of construction and stance. They’re both designed to be a multi-day bikepacking machine, where the only limit in terms of trip time is the rider’s schedule. For Sarah, she spends a lot of her year bikepacking or touring all over the world, so having a stout and reliable bike is of the utmost importance, hence the Pinion Gearbox.

Since the Pinion is sealed and requires little maintenance, she won’t have to worry about snapping a derailleur during a rocky hike a bike, or bending a derailleur hanger. Naturally, the main downside to the Pinion is weight. Luckily, however, Hubert’s tubing selection makes up a bit for that, while offering a spry ride quality. Then, to aid in traveling with a bike and avoiding airline fees, Sarah’s bike is built with S&S couplers.

Personally, I can’t wait to see where Sarah takes her bike this year. You can follow her journeys on Instagram.

Regarding price, availability and other details essential to purchasing, hold tight. We’ll post updates here as events warrant.


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  • Jordan Muller

    This bike says “don’t fuck with me” and “Hey, lets party!” all at once.

  • Davey Struthers

    Ultimate mtb touring setup atmo . Will be cool to see with bags on

    • Yeah, once it’s painted, I’m going to try to shoot it again next month.

      • Dr J

        Oh no! I hope it never gets painted. It’s so pretty in this post-apocalyptic, “Mad Max” finish.

        • Yeah, it’s a nice finish but paint is the only way to ensure a bike’s integrity in the long run.

        • Hubert d’Autremont

          I love the patina look but as Jon said for longevity paint is the way to go. Unfortunately there are not really any options for clearing over a raw/patina’d finish that worth a damn.

  • Papi

    Such a nice bike – way to start the year off right. The subtle kink in to downtube – is this to accommodate the Pinion gearbox? add more space inside the front triangle for a frame bag? All of the above?

  • Alan

    Great looking bike. What’s the benefit of the pinion compared to using an IGH?

    • Laurent Lebecque

      The weight is more centered

      • Alan

        Thank you

        • Yeah, I will say it’s less noticeable from my experience when pedaling. When I’ve ridden IGH bikes in the past, it felt like the rear was dragging along on steep grades. With a Pinion – or even an EMTB – having that heavy gearbox down low by the cranks is hardly noticeable.

          • Alan

            Awesome. Just gotta take a pinion for a ride 🏄‍♂️

          • stateofnonreturn

            I’d say it’s hard to appreciate the gear box on the first ride. The system is different, shifting takes time to get used to and is noisy on high gears. But once you unlock the benefits of a gear box, the fun begins. The 600% gear range makes hauling on steep climbs more easy. Maintenance required is very low, chain doesn’t wear out as fast, belt option is also available. I was skeptical when I first got one, but now I really like it.

  • R.P. Treb

    A gearbox on a bike packing style rig like this in which heavier weight is not a big deal, is prob a darn good application.

  • Peter Hedman

    Loving the “half-pipe” yoke on the DS – clever bits throughout on these bikes. Would like to meet you someday Hubert – beer is on me in PDX.

  • Logan Groves

    What type of rear dropout is that? Is it superior to traditional sliding dropout?

    • Hubert d’Autremont

      It is a paragon rocker dropout. I like them more than a slider because it puts the disc brake on the chain stay instead of the seat stay, eliminating the need for a brace, as well as making it easier to mount racks.

      • Logan Groves

        Thanks explaining Hubert, that makes sense.

  • GNARdina

    The proportions on this build are playing an optical illusion on me, and make it look like a kids bike. The seat is tucked so far down into the back wheel, the short stem and barely any stack, the seat to bar height, the long top and down tube. It’s a cool bike, but it seriously looks like a 24″ wheel high-end kids bike to me.

  • Jake Riehle

    I want this bike in titanium.

    • Oh yeahhhhh!

      • Jake Riehle

        Does Madrean work in Ti?

        • Not really.

          • Jake Riehle

            Bummer, thanks for the heads up though!

          • Hubert Dautremont

            Hopefully in the next year or so.

  • This thing is seriously gnarly!

  • Matt

    wow what a beautiful bike!!! What size wheels/tires are on it?

  • andrew_spaulding

    Holy crap this bike is something else. What is that, a 62 degree head tube angle? How tall is the rider?

  • nick daniel

    I love the way the gearbox makes the back end look so clean.

  • Sattelfest

    how long is the chainstay?