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Wilier Triestina Cento1 Air frameset

 
MSRP : $4000.00
Price : USD 3,999.00
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A new milestone has been reached at Casa Wilier. The Cento1’s fifth generation is now here. After Cento1, Cento1SL, Cento1SLR and Cento1SR, Wilier wanted to push themselves further. Once again. The basis for this 2014 development has been to bring Wilier closer to the aerodynamic efficiency of the TwinBlade, coupled with the Cento1's versatility and performance.

Cento1 is now working with the the wind. Performance, efficiency, comfort and now even more aerodynamic. Cento1 AIR represents the culmination of all of our knowledge acquired in recent years.

INTEGRATED AERO FORK
The fork is the first part of the frame to hit wind resistance. This is where we began in our revolution of the Cento1. We posed a relatively simple question, which required an incredibly sophisticated answer. How do we replicate the aerodynamic efficiency of the TwinBlade’s fork, but in a conventional fork? Using the rigidity already developed in the Cento1SR’s integrated fork shape (a 14% increase in torsional rigidity in comparison with Cento1, thanks to the repositioning of the down and horizontal tubes in relation to the headtube), we have now created 2 small channels below the fork’s crown, in line with the TwinFork concept in the TwinBlade. These two small channels aid airflow, while enabling increased rigidity.

The down tube, in its new lowered position, integrates seamlessly with the fork crown while generating another air foil which is capable of reducing wind resistance even more.

The fork’s brake entry hole is hidden by the down tube, which keeps it clean and well protected.

ASYMMETRIC REAR ARMS
Thanks to the solid central BB386EVO movement, we have designed generous rear seat stays and, in keeping with the long-held Wilier Triestina tradition, they are asymmetric. Concept symbol of the Cento1, the asymmetric rear stays improve pedalling efficiency against the torque generated by the chain.

3D INTEGRATED CABLE ROUTING PLATE
We have also very carefully examined how to route cables and cable housing inside the frame. We were aiming for the smoothest cable operation when we designed and analyzed this system. It consists of a new type of cable routing plate that has been incorporated below the bottom bracket. A standard plate normally directs the two cables – front and rear derailleurs - with equal angling.

The 3D INTEGRATED CABLE ROUTING PLATE location has been especially designed to ensure an optimized arch for each of the two cables’ different operations. We made sure that the rear derailleur cable is kept suspended inside the chain stays, while ensuring that the front derailleur cable reaches the spot where it connects with the derailleur without any constraint that would change its natural arch.

AERO REAR STAYS
In developing the TwinBlade we have learned that if the rear oblique seat stays are kept as low as possible, the aerodynamics of the frame are improved. This is what we have done also with the Cento1AIR, moving the stays as low as possible, within UCI standards. The rear brake is entirely covered by the stays. As with many other frame parts, the vertical stays have also been designed according to the Kamm theory. A clean cut, creating a virtual "fin" from an aerodynamic point of view, but which still allows them to remain light and within UCI rules. Compared to other solutions, the rear brake installs to the frame in a standard way, with a normal socket wrench, without requiring additional parts.

AERO SEATPOST
A Wilier Triestina design and Ritchey production, in carbon monocoque. We've designed it to integrate seamlessly with the sophisticated aerodynamics of the frame. The locking mechanism is combined. Simple yet intelligent at the same time, the aero remains incredibly secure. There are two fastening systems which work together simultaneously. The first, internal part, locks the saddle to the frame. The second, a clamp, locks the saddle in place by preventing it from slipping into the saddle tube.

3D DROPOUT
The dropout evolves and implements its name. The 3D DROPOUT is born. It is not a mere rear derailleur mounting plate anymore. The dropout now extends over a third dimension and serves also as a cable stop. This newly acquired third dimension leads to an especially stiff dropout compared to conventional fastening plates. Thanks to its generous size, we were able to create two holes (a larger one for the mechanic group set cable and a smaller one for the electronic cable) to route cable housing or cables without compromising the dropout’s stiffness. In this manner, the dropout may be used both for mechanical and electronic group sets. For the mechanical group set, it allows one to use a shorter cable housing sleeve and to have the shifter cable follow its natural curve since the rear derailleur cable is located closer to the fastening point. This improves shifting efficiency and smoothness.

The exit routing is not the only improvement. The cable stop has been positioned above the drive-side chainstay, thereby keeping the cable flawlessly suspended within the stay. The internal cable routing through the down tube is kept at a distance from the frame’s inner surface to assure that there is no friction during shifting. The wiring exit point of the electronic group set has also been optimized as it is setback and above the drive-side dropout. This feature facilitates and expedites rear wheel removal and installation.

1120g