Cross Country Mountain Bike

Cross-country MTB

Origine XC mountain bikes have competition in their DNA. However, their complex design does not make them unaffordable, to the contrary. Responsive and performance, they will satisfy the expectations of the most demanding cyclists whether they are XC addicts, fun riders or ultra-distance marathon cyclists. Fully customisable, the carbon MTBs are compatible with both 100mm and 120mm forks. Because the best performing mountain bike is certainly the one that suits you best.

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Théorème FS 120 GTR

Top performance XC / Downcountry MTB

The Théorème FS 120 GTR is our most versatile full-suspension mountain bike. At ease on technical trails, precision steering and responsive when kicking, it's the perfect choice for riders who smash the trails and ultimate-level races.

Prices start from 4 353 €

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Théorème FS 120 GTO

Versatile XC / Downcountry MTB

(Re)Discover downcountry riding with the Théorème FS 120 GTO. With its 120mm of travel, put your riding prowess to the test on even the most challenging trails. Take advantage of its outstanding climbing ability and awesome frame compliance. Hit the trails without hesitation, full blast.

Prices start from 3 088 €

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Théorème FS 100 GTR

Top performance full-suspension XC bike

The Théorème FS 100 GTR is THE racing machine par excellence. For XC purists who want low weight, top performance, and immediate response. Winning. Master the speed and fly over any terrain.

Prices start from 4 014 €

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Théorème FS 100 GTO

Versatile full-suspension XC bike

The Théorème FS 100 GTO is the perfect combination of comfort and performance. With its ability to read the terrain at its best, combined with a lightweight bike, it's perfect for long XC and marathon rides. Build it to your liking and go further.

Prices start from 3 004 €

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Théorème GTR 29″

High performance

The Théorème GTR combines technicality and lightness. Radical and forgiving at the same time, it is the hardtail for cyclists looking for high performance. Designed for XC, equipped with the best technologies from our engineers, it ensures a sporty and incisive ride. All this for incomparable sensations.

Prices start from 2 659 €

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Théorème GTO 29″

Performance and comfort

New generation. The Théorème GTO is our hardtail with the best comfort/performance ratio in the range.
Responsive, top-performing comfortable, it's the perfect weapon for those who enjoy XC and marathon riding.
A model of versatility, build it to suit your riding style and budget.

Prices start from 2 323 €

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Théorème GT 29″

Performance and Comfort

The Théorème GT is the semi-rigid mountain bike with the best comfort/performance ratio in the range.
Nervous, powerful and comfortable, it is the ideal ally for those who enjoy all types of terrain: Cross-Country or Marathon.
A model of versatility, it is entirely configurable according to your practice and your desires.

Prices start from 2 087 €

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Discover also

Downcountry MTB

Carbon MTB

MTB with full suspension

Alloy MTB

Trail MTB

Hardtail MTB

Women's MTB

Reviews

Every Origine has its own story

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What the press say

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Trial of the Origine Graxx 3 in its road build

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Carbon hardtail Xc and marathon bike

The Origine XC range is grouped together in the Théorème family of hardtail mountain bikes, perfect for XC and marathons. From the first turn of the pedals yo [See more]u will feel this lightweight bike accelerate away. Predictable and precise steering, perfect for climbing and reliable in the descents. This bike is ready for any surface and any conditions you wish to throw at it.

Benefit from French know-how

With Origin, you get a mountain bike that is made in France. The bike is designed, painted and hand built in our factory in the North of France. Our team of technicians is committed to giving the best of their know-how and recommendations to satisfy all mountain bikers.

Configure your men's and women's XC bike using our proprietary configurator

Origine's mountain bike configurator is available for you to build your perfect bike. Customise your carbon hardtail as per your riding style, your budget and your taste. The configurator allows you to design an XC bike for both men and women. Available in sizes S to XL, our bikes correspond to a cyclist height of between 5ft 4" and 6ft 6".

As with the rest of the range, the Théorème is fully customisable in the choice of components and frame colours. Our color-on-demand option allows you to customise the frame to your preferred colour. Available online using the Origine configurator, our mountain bikes are designed, painted and hand built in Origine's factory in the north of France.

Delivery, warranty and service of your MTB

Delivery is in a secure box to eliminate any risk of damage. We have a network of 300 bike technicians throughout France available to repair or service your Origine bike or Prymahl wheelsets. This number is constantly on the increase. We are committed to providing you the service you deserve, wherever you live.