Models for the mountains.


The Arktos is an engineering and design masterpiece that won People's Choice and Best Mountain Bike at the North American Handmade Bike Show. Its responsiveness, efficiency, and eagerness on every kind of the trail is transforming.

Featuring our exclusive Sine Suspension design, our mountain offerings provide a ride quality on every kind of trail that astonished even us.



27.5" Mountain

With a dual-linkage platform licensed exclusively from David Earle, our exclusive full-suspension carbon fiber mountain bike is top of class.

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29" Mountain

Our same Sine Suspension platform now with 29" wheels. One of the best pedaling trail bikes in the world meets unrivaled capability on descents.

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Put through the ringer by

Alchemy Factory Racing

Tested and refined through the toughest riding conditions in the world, our Arktos and Sine Suspension are trusted by our Factory Racing team to race through the challenging 2018 Enduro World Series calendar. 


Game-Changing Technology

That will transform your ride.

The Arktos 29 is the ultimate do-it- all trail weapon. Responsive yet stable, playful but controlled, the Arktos 29 strikes that perfect balance to allow you to find your limit at maximum speed. Sine makes the Arktos one of the best pedaling trail bikes in the world with unrivaled capability on descents.


Looking for something a little more personalized?

Maybe the Full-Custom Arktos is more your speed.