Argon18 sum pro

What is in a name?

You want more than that. Meet the best of the best: aero to match the Nitrogen, pure road performance to match the Gallium Pro, with race-ready handling and premium ride quality. The all-new Sum Pro features our most advanced layup and technologies to get you to the front of the group and keep you there, through the climbs, the corners, and the sprints. For our newest generation of bikes, we wanted to push our 3D System even further by merging it seamlessly with the frame. Our road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.

Argon18 sum pro

At road. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything except locks but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value — with value determined by how a product compares with items of similar spec, quality, and price. Good scores are more common than bad, because fortunately good products are more common than bad. The Argon 18 Sum is the Canadian brand's new do-it-all lightweight aero road bike that it claims will get you ahead on the climbs, keep you there on the flats, and power you through the sprints. It provides impressive performance, with comfort that belies its looks and sharp handling, but something doesn't add up with the pricing and the sum of its parts. With the Sum, Argon 18 claims to combine the lightweight performance of its Gallium Pro with the aerodynamic benefits of its Nitrogen, both of which are set to be phased out. The form is similar to others, with dropped seatstays and a slim profiled main triangle designed to accept fully internal cable routing.

The frameset is available in two versions: an upper-level Pro with a 'Pro Level Layup' composite construction, argon18 sum pro, and an 'Elite Level Layup', as on the Sum that we have to test. Spread your feet " apart and place a book between your legs at your crotch, spine up, up against the wall this mimics your argon18 sum pro saddle. That said, I would like to have been able to test it with a fully tubeless setup and see what difference increasing the tyre width to 28mm could have made, especially on our typical British roads.

All images on this page are used for illustrative purposes only. Actual bike specifications may vary depending on country and assembly options available. Please refer to the Features and Configurations section below for options available in your region. All the engineering knowledge of our pro-level bikes, in a more accessible package. The Gallium CS will let you make your mark on those long training days, or jockeying for rank in the group. Own the season: the Sum will get you ahead on the climbs, keep you there on the flats, and power you through the sprints. You want more than that.

What is in a name? Bike names are normally abstract, words that sound cool. A Sum, by contrast, sounds rather utilitarian. Mathematicians may disagree, but I have never thought of a sum as cool. Maths does however have a wonderful logic and precision. Having been one of the first people to ride the new Argon 18 Sum Pro , I now understand the name. It is a very clever sum indeed. My specialty is ultra endurance road, having cycled around the world twice, both in record-breaking time, which takes a very specific type of road bike. But whereas most professional cyclists will only ride their team bikes, my role as a GCN presenter means that I get to ride a huge variety of bikes. So whilst I will declare my bias, I have a broader context than most to do a ride review.

Argon18 sum pro

The Montreal-based brand has achieved WorldTour-level success on the road and more recently on the track under the muscular Midwestern muscle of Ashton Lambie during his world-record-setting 4K individual pursuit attempt. This year Argon 18 announced it would be consolidating its road bike catalog following the likes of Specialized and Scott by ceasing production of its aero-focused Nitrogen and lightweight-optimized Gallium frames. In place of the two models, Argon revealed the Sum series that combines the best characteristics of each. Aero shaping can be seen with the hourglass-shaped head tube, airfoil inspirations on the downtube, seat tube and seatpost, as well as the Kamm tail-shaped fork that is intended to divert air away from the downtube. We like the engineered clearance for up to 32mm of rubber. Argon 18 claims a medium Sum Pro frame weighs grams with the standard Sum frame weighing 40 grams more. The Sum and Sum Pro share the same geometry but the Sum Pro uses a refined carbon layup to save weight. Geometry-wise, our size-medium Sum Pro mixes a steep

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In my case, knowing where my optimal sitting position should be in relation to the bottom bracket, I was able to fit the saddle in the middle of the 20mm setback range offered by the seatpost as opposed to pulling the saddle forwards. Fair to say I had my legs chewed off by the Novo Nordisk team. Anything you particularly did or didn't like? Wheel mass is a second order effect nearly 10 times less significant and wheel inertia is a third order effect nearly times less significant. A press-fit BB86 bottom bracket is unlikely to appeal to everyone, and many riders might prefer a threaded option to make BB changes easier. Pinarello Dogma F For those who want to spare nothing and want to have it all, it is in Pinarello blood to build a bike that has more technology and more appeal then any other on the market. This should get updated as the old groupset sells through and a new model year comes into effect. Yes, no issues with stiffness. We cyclists come in all shapes and sizes. Argon 18 brings a competitive modern road bike to its catalog with the addition of the Sum Pro.

The Argon 18 Sum is a new bike from the Montreal-based company. By new bike, I mean the name is new and the frame is new, even though it draws heavily from various designs and technologies that Argon 18 has used on previous models.

Not even close. Rate the controls for weight:. A 54cm stack and Rate the drivetrain for value:. If you're interested in this sort of machine, check out our Best Aero Road Bikes buyer's guide. I should be slightly fairer to Argon. How does that compare to your own feelings about the bike? Which components had the most effect good or bad on the bike's efficiency? The frame fits a BB86 press-fit bottom bracket. This translates into fluidity on the flats, efficiency on the climbs and what really impressed me was the confidence and precision on the descents. Even in high-level bike racing, this peak acceleration is about 0.