HDS: Horizontal Dual System
Following the HDS principle, the E-118 frame features lighter, smaller tubes in the upper parts of the frame to absorb road buzz and increase comfort, while the lower areas are built stout and strong, to ensure complete power transfer to the rear wheel.
Whether in training or during a race, HDS construction lessens fatigue thanks to the enhanced comfort while simultaneously maintaining maximum efficiency, losing none of the athlete’s power in propelling bike and rider fast forward.
AFS Triathlon/Time Trial Geometry
The result of long experience and painstaking analysis, AFS geometry ensures the bike remains stable and the steering accurate, even in the most intense effort. The rider can stay on the aerobars in situations where it isn’t advisable to do so with other bikes. Every aspect of the geometry contributes to increased control and an optimal position. Two of these play a particularly decisive role:
- Long chainstays- 400mm long in all frame sizes, they are longer than most of our competitors’ stays. The result is increased stability at high speed as well as crisp, faultless shifting, every time…because time is scarce.
- BB-Drop 75- While our competitors set their bottom bracket at a 70 or even 60 mm drop below the wheel hub centerline, we chose to drop ours a little lower, at 75mm. Why? The lower center of gravity makes for a more stable, solid-feeling ride.
You’re in control.
The best aerodynamic profile can only be achieved when the rider is well positioned on the bike; this is what AFS guarantees.
In the world of time trial events, much emphasis is placed on the aerodynamic properties of bikes. While this is an important factor, in reality the cyclist generates up to 70% of the aerodynamic drag. This fact is at the core of Argon 18’s design philosophy. Our approach is that the rider and bike must form an integrated unit in order to optimize efficiency and achieve the best results. CFD analysis clearly demonstrates that once the rider is not in proper position, drag increases dramatically. Optimal positioning through AFS gives the rider the ability to remain on the armrests in the proper aero tuck position longer.
AFS geometry built into the E-118 guarantees tremendously accurate steering and extremely stable handling. This allows the rider to remain on the armrests in circumstances where it has not always been possible. For example, riders can remain in the perfect aero tuck position on the armrests during descents, on uneven roads, while hydrating and even when reaching into jersey pockets for nutrition
The AFS approach ensures the rider can maintain a proper aero position longer through an easy, accurate fit therefore ensuring aerodynamic efficiency and the ultimate in performance.
Aerodynamics: CFD Virtual and Actual Wind Tunnel Testing
Lucky 7: cut 7 minutes from an Ironman bike leg with the E-118.
Our R&D staff copped a technological trick from F1 racing and designed the E-118 from scratch using Computer Fluid Dynamics- the virtual wind tunnel. These tests gave the team an accurate, detailed picture of airflow behavior around the bike and rider, letting the designers maximize aero efficiency in every part of the bike. A number of design variants were tested and the most aerodynamically effective shapes were incorporated into the prototype.
CFD: taking research farther so you can take your performance farther
The rider’s moving, pedaling body accounts for 70% of drag. Making the most of CFD software’s almost unlimited computing power, Argon 18 completely digitized a pedaling cyclist- in this case, triathlon champion Tim O’Donnell-in order to include the rider in the design process from the outset.
Wind tunnel data validation: an unprecedented research process is behind the E-118. Now more than ever, rider and bike have become one. The virtual wind tunnel data guided the construction of a few prototypes which were then tested in a conventional wind tunnel, validating the CFD data and confirming the value of the design. This phase of testing yielded spectacular results: following an identical protocol, the E-118 shows an aero gain of 5% to 20% over the E-114, depending on yaw angle. Over an Ironman distance, this translates to minute an advantage of more than 7 minutes.
ONEness 2.0, For a Perfect Position
Completely re-invented for 2012, ONEness 2.0 lets the user quickly change from a 65mm to a 95mm effective stem length, in all frame sizes. The reversible AHB-7500 handlebar can be raised 10cm.
Armrest adjustments: fore-aft, height, width, one of the most versatile systems on the market
•Together with the reversible AHB7500 handlebar, the arm rests can be gradually adjusted for a total range of 10cm of height variability.
•Width- the armrests have a lateral adjustment range of 12 cm, enough to adapt to anyone’s physical proportions for an ergonomically sound position.Fore-aft: 4cm of incremental adjustment is available.
BB86 Bottom Bracket
The E-118 features a BB86 bottom bracket shell. This threadless system relies on press-fitted sealed cartridge bearings. With BB86, traditional threaded and external threaded are no longer necessary, reducing weight while boosting rigidity where it matters most.
Out of the box, the E-118 is equally compatible with Di2 or mechanical components. Regardless of the group you choose, all cables and wiring are internally routed for enhanced aerodynamics.
Total Integration, taken a step further
The E-118 takes integration another step forward, with intelligently-designed components specific to the E-118.
Apart from the monocoque frame, these include:
•A new full-carbon fork with an external, streamlined steer tube that reduces the frontal area, compared to the E-114.
•TRP’s Advanced Braking Systems, a very powerful V-Brake system that is tucked away behind the front fork and bottom bracket, generating virtually no drag.
•The new ASP-7500 reversible seat post has been updated with a lighter, simpler & low-profile seat clamp design-exclusive to Argon 18.