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Excellence is not a question of sheer luck. It is the result of meticulous and master craftsmanship. Argon 18 is renowned for integrating intensive research into the design and development of its bikes, which are innovative yet classic, spectacular and sleek.

Select a Technology to Learn More

optimal balance
argon fit system
horizontal dual system
3d headtube

Optimal Balance

A Perfectly Balanced Bike
Optimal Balance is the design and fabrication philosophy behind all of Argon 18’s bikes. It is the subtle alchemy of lightness, rigidity, comfort and aerodynamics.

The result: a high-performance bike that is easy to ride, that handles well when climbing and is quick off the mark. What’s more, it provides the rider with a feeling of satisfaction without any unwanted fatigue.

Much more than a simple idea, Optimal Balance is the result of over 25 years of research and development—expertise which reinforces Argon 18’s reputation as a world leader in high-end bikes and technology.

You’ll feel the difference of Argon 18.


Tested in True Wind Conditions
In high-performance cycling, every second counts and aerodynamics can change everything. That’s why any reduction in drag—not matter how small—is of utmost importance. By testing our bikes in true wind conditions, we ensure that all our products are infinitely more accurate and competitive.

Computational Fluid Dynamics (CFD)
Argon 18’s bikes are subjected to extensive CFD testing. This technique uses computers to simulate the flow of liquids/gases involved in the aerodynamic design of bikes.

Wind-tunnel Testing
In the wind tunnel, Argon 18’s bikes are tested at yaw angles between 5 and 20 degrees, which corresponds to true wind conditions. This allows us to compare our bikes, but also to stand out from the competition.

Velodrome Testing
Velodrome testing, the last stage of aerodynamic evaluation, is crucial. By testing our bikes in real-world situations with a racer, we can make precious aerodynamic gains and find the optimal rider position.

Drag Coefficient (CDA)
Drag area or CDA is a true indicator of aerodynamic performance. A CDA value the product of the Coefficient of Drag of a given body and its frontal area. Unlike using watts or grams, a CDA value is not dependent on variable test conditions such as velocity or air density. The value is assumed to be a constant, and thus cannot be interpreted.

Oneness Concept

Aerodynamic Carbon Handlebar
With its streamlined handlebar and integrated virtual stem, Argon 18’s ONEness 3.0 cockpit has a significant impact on the aerodynamic efficiency of the E-118 Next.

Weighing only 250 grams and featuring multiple settings, this system enhances our triathlon and time-trial bike’s versatility—making it one of the most integrated bikes on the market.

Maximizing aerodynamics so that you can give your best, while being truly comfortable.


Technology for Cyclists
The cycling industry is highly competitive and rapidly growing. In this market full of innovation and integration, Argon 18 is leading the way with technological solutions that are ever more effective.

Our solutions are tailored to the specific needs of cyclists—both men and women—at all levels of competition. Moreover, our constantly evolving innovations are easy to both implement and use.

Evolution is the key to adaptation. This understanding is what drives Argon 18 to create an even better ride.

Argon Fit System

Geometry Tailored to Every Rider
Argon 18’s expertise in geometry is based on Gervais Rioux’s vast experience as a professional cyclist and a bike shop owner as well as extensive research and development.

The Argon Fit System (AFS) is designed to provide riders of all physical dimensions with consistent performance and optimal ergonomics. No matter what your morphology or your racing style, your positioning will always be efficient and comfortable, ensuring the ultimate in handling.

Become one with your bike. All for the love of cycling.

Horizontal Dual System

A Bike Frame Made of Power and Comfort
With its Horizontal Dual System (HDS), Argon 18 has succeeded in combining rigidity and comfort, qualities that are typically seen as mutually exclusive. The basic idea is simple: our frame tubes are each designed for a specific purpose.

At Argon 18 we divide the frame into two zones along a diagonal line:

1. The tubes in the lower section of the frame are made with more carbon fibre to deliver maximum rigidity, especially in the bottom bracket. This provides a responsive and accurate transfer of power that is simply like no other.

2. The tubes in the upper section of the frame are made of less and more flexible carbon fibre to absorb vibration and ensure maximum comfort on all types of terrain.

Positioning and Geometry

Argon 18 Frames: Composite Conductors
At Argon 18, we design our bikes by breaking the frame down into eight distinct sections, each with a specific role.

As the length of the frame increases so does the length of each section. This preserves the bike’s well-balanced proportions and ensures that all our frames, regardless of size, have ideal ergonomics and flawless handling.

1. Setback
This section of the horizontal tube is important in that it allows the saddle setback to be adjusted. Setback, one of the most critical parameters in rider position, is largely determined by seat tube angle. Argon 18 chooses its seat tube angles to provide the ideal range of adjustment options.

2. Reach
Reach determines the effective length of the bike, the key to rider comfort and finding the ideal position.

3. Stack
Stack is the vertical distance from the bottom bracket to the top of the headtube. It plays a key role in determining rider position and, in turn, rider comfort.

4. Seat post angle
The seat post angle helps determine rider position, but also to maximize the rider’s aerodynamics and biomechanical efficiency when leaning forward. Thus, a bike with an adequate seat post angle ensures that the rider can choose the desired seat height, adjust the front/back and find the right upper-body position.

5. Chainstays/rear triangle
Two factors are taken into account when determining the ideal chainstay length:

1. How much quick handling is wanted
The shorter the rear triangle, the quicker the bike’s handling.
For a bike to go as fast as possible, the chainstays must be reasonably long. That’s why our bikes are always stable, even at over 55 km/h.

2. Mechanical requirements and standards, particularly those set by the manufacturer Shimano
For example, chainstays must be at least 405 mm long for proper derailleur functioning and accurate shifting.

6. Wheelbase
The front centre determines much of the bike’s handling and steering characteristics. A disproportionately short frame will generate an unpredictable, twitchy ride that tends to stray from the intended path. Conversely, a front triangle that is too long reduces handling.

This geometry section contributes the most to balancing the bike’s proportions because reach length, along with the headtube angle and the fork rake, determines wheelbase length.

7. Fork angle
Fork angle is the angle formed by the headtube and the ground. The smaller this angle, the quicker the bike will turn and the faster it will go when climbing. While a wider angle makes turning harder and slows the bike when climbing, it has the advantage of providing the rider with greater stability at high speeds.

8. Rake
Rake, or fork offset, is the perpendicular distance between the steerer tube and the centre of the front wheel. This distance generally ranges from 40mm and 55mm.

3D System

The Perfect Alloy of Handling and Stiffness
Argon 18’s exclusive 3D System is a clever mechanical solution that extends the headtube for more positioning options. Three headtube positions are possible for every frame size; this increases rigidity by 5% at 15mm and 11% at 25mm, versus traditional spacers. With this system, the handlebar height can be perfectly adjusted to meet the needs and preferences of every rider.

All for accurate steering and the love of cycling.

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