Bora(TM) Ultra(TM)is the choice of the pros, the ideal competition wheel. The maximum aerodynamic performance, extreme lightness, and the surprising reactivity combined with incredible smoothness. Bora(TM) Ultra(TM) Two gives characteristics that every cyclist wants.
The secret of this legendary wheel lies in the details that make it truly unique and unrivalled. And the innumerable victories are its best testimony. The Bora(TM) Ultra wheel is entirely hand-assembled by a specialised Campagnolo(R) technician and is checked in every tiny detail with electronic instrumentation. This ensures maximum performance and reliability for all Campagnolo(R) wheels.
Perhaps the most noticeable improvement will come in the form of a new, wider profile of the Bora rim. Moving the width from 20,5mm to 24,2mm allowed engineers not only to improve upon aerodynamics but also to house wider tyres. The wider tyres increase control as the contact area between tyre and asphalt is increased, thus improving grip in addition to creating a more comfortable ride.
The new wider structure also represents an increase in structural strength, thus rendering the already universally lauded resistance and reliability of the Bora even more adept at handling any course or condition that presents itself on race day.
The wider structure aids in aerodynamics, increases structural integrity but also allows engineers to create a lighter version of the famed Bora wheel. While the contrary might seem more likely, the larger profile of the Bora rim creates a stronger structure with less need for material intended for structural reinforcement. Campagnolo is thus able to give increased structural integrity at a lower weight with regards to the rim.
The graphic application was also studied and a new method was utilized which allows Campagnolo to apply the logos via water transfer thus avoiding heavier adhesives. This too represents a weight savings of nearly 15 grams in addition to a cleaner and more durable aesthetic quality. Weight is further reduced thanks to a smaller profile front hub applied to this new Bora design. Campagnolo engineers were able to reduce the weight and size of the hub while maintaining all of the performance characteristics of the previous version. In other words, the same fantastic Bora performance in a smaller package.
CULT Ceramic bearings 9 times more efficient that standard bearings, they will spin for up to 47 minutes after being run at 500rpms.
Features and benefits
Full carbon high profile
For 35mm clincher: gives the maximum aerodynamic penetration. Extremely limited weight. The highest degree of lateral stiffness and reactivity of the wheel.
Exclusive rim printing system
Rim painting no longer required. The weight is greatly reduced and the surface is free from imperfections.
RDB™ rim dynamic balance
Exclusive system that assures perfect balancing of the rim even at high speeds. Moulded into the rim itself.
New 3 Diamant™ treatment
This treatment improves carbon braking performance to the point of feeling similar to aluminium in all conditions.
Spokes with aerodynamic profile
Provides the maximum aerodynamic penetration. Reduces aerodynamic drag saving rider energy.
Spokes anti-rotational system
Allows the spokes to maintain the best aerodynamic position.
Carbon Fibre Hub
provides a high degree of lateral stiffness and reduces weight to the minimum.
Greater torsional stiffness and greater reactivity.
Cup and cone bearings
Easy ball/bearing adjustment - reduces possible ball/bearing play - precision operation - maintains performance over time.
Reduces the weight of the wheel.
New, completely redesigned and lighter aerodynamic-profile wheel block. Steel spine and eccentric, lever with drill lightening and aluminium die. Eccentric-closure system allows cyclist to modulate the pressure necessary for heightened sensitivity to find the proper closure for the block. Easy to use, with a material resistant to wear and tear, rust, and pressure.
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