Cahoot Titanium Custom

Photos for illustration purposes. Please check the bike spec for detailed component listings.
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Cahoot Titanium Custom

Titanium tandem mountain bike


Share the joys of riding together with a fully custom titanium mountain bike tandem frame, fully bespoke components to your requirements; made from aeronautical grade titanium and with a 10 year guarantee

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Customise your bike on the next page.

Buy Now. Deliveries from 28 July.

Build your bike

Select your size and make any changes you want from the standard build. When you’re done, hit Add to Bag at the bottom of the page

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Ride together no matter the road you travel. Tackle steep singletrack, flow down descents and ride fully loaded on tarmac. A capable bespoke hand made tandem mountain bike designed for your size, geometry and specification. Made from aeronautical grade titanium and with a 10 year guarantee.

Every Cahoot is built to order. This means the geometry, the tube lengths, the specification, everything is chosen exactly for you, your partner and the journeys you'll take together.

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It takes six months from the first conversations we have with you to getting your Cahoot for your first ride. In this time we'll talk exactly about what you need and where you're going so that we can design and build your perfect tandem. It's actually a joyful six months, filled with the involvement of having a bike built especially for you, knowing the care and complete obsession over the detail that's going into it. Neil and our team of designers and builders are in touch every step of the way. It's a truly special experience.

At a glance
  • Completely Custom Titanium Tandem Frame
  • Hand welded titanium frame
  • Clinically created geometries enhance riding
  • 10 year guarantee

Watch the Mountain Journal Short featuring Rich and Tom Siepp and their Sonder Cahoot.

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Build Spec
Geometry and Sizing

Every Sonder Cahoot is bespoke, with custom geometry specifically designed to fit you.

The Sonder Concierge Service

Simply place your order and Neil or one of the Sonder team will be in touch to discuss the finer details; The right head angle, the perfect top tube length. Shorter stays or an eccentric bottom bracket? Make it as radical as you like.

We'll chat through your specifications and keep you updated at every step of the way; Meticulously sketched here in the UK and hand-built by specialist titanium-workers.

Frame Spec