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Campagnolo Bora Ultra 35 - 28 Inches Wheelset Clincher - Dark

Campagnolo Bora Ultra 35 - 28 Inches Wheelset Clincher - Dark

The development of the Bora Ultra 35 met great support from Nairo Quintana and the other champions using Campagnolo® parts.

The Bora Ultra 35 wheelset offers 35 mm deep full-carbon rims with 24.2 mm width, bearings with CULT technology and carbon hubs. It is improved in terms of lightness, aerodynamics, stiffness and comfort thanks to use of the new wider rim and front and rear hubs with different diameters. Every user will be able to race with the performance of champions and brake with total safety, in any conditions, thanks to AC3 technology on the braking track.

The Campagnolo Bora™ family of wheels has been synonymous with victory and have become and object of desire amongst not only the cycling public but also of the top riders in the professional peloton. This legendary status is achieved by combining premium materials and extremely advanced engineering that render them not only capable of offering a race-winning technical advantage, but to maintain that performance over time.
The attention these wheels get hovers around what makes them reliable and also what makes them fast. However, speed and agility necessitate control if a rider is to make it safe and sound to the finish line. The Campagnolo engineering staff has developed brake tracks that will confer a braking performance above and beyond anything found on Campagnolo carbon rims to date.

The new construction relies on AC3™ technology to create surefooted stopping power that is reliable and potent no matter the weather conditions. All Conditions Carbon Control™, or AC3™, was developed not only to generally improve an already great braking performance but also to address one of the principle drawbacks to the carbon fiber racing rim: braking performance in the wet. Aside from the externally obvious textured design upon the brake track, the construction of the new Bora™ wheels underwent some internal optimization to orient the fibers in a way to guarantee maximum integrity in the face of new input deriving from a new braking surface. The highly sophisticated resin optimized by Campagnolo engineering staff to withstand higher temperatures than the Bora™’s competition and to dissipate the extreme heat produced during the braking phase.


full-carbon 24.2 mm wide clincher rim
great comfort and maximum aerodynamics for interacting with new tire standards. Extremely high lateral wheel stiffness and reactivity.

Exclusive rim printing system
rim painting no longer required. The weight is greatly reduced and the surface is free from imperfections.

Exclusive G3 spoke pattern
perfect balance of the spoke tensions on both sides of the wheel. Reduces stress, increases transversal rigidity and the transmission of power to the wheel. G3 eliminates vibrations even with "heavy" cyclists.

RDB™ Rim Dynamic Balance exclusive system that assures perfect balancing of the rim even at high speeds. Moulded into the rim itself.

brake pads made especially for carbon wheelsin scope of delivery
the new blend increases the brake performance by about 40% on wet surfaces and 20% on dry surfaces without increasing the wear and tear on the pad. For a more modular and more secure stop

Spokes with aerodynamic profile
provides the maximum aerodynamic penetration. Reduces aerodynamic drag saving rider energy.

Carbon fibre hub
provides a high degree of lateral stiffness and reduces weight to the minimum.

Oversized flange
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

the combination of the highest quality ceramic bearings with housing in special Cronitect® steel. Nine times smoother than the standard system. Eliminates oxidation and maintains performance over time.

Aluminum axle
reduces the weight of the wheel.

Quick release
new, completely redesigned and lighter aerodynamic-profile wheel block. Steel spine and eccentric, lever with drill lightening and aluminum die. The 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.

G3 geometry
Campagnolo® has developed an assembly architecture which, compared with a traditional wheel, makes it possible to improve energy transfer, reduce the stress on the spokes on the right and increase transverse rigidity. This is achieved because in G3™ geometry the right-hand side of the rear wheel is fitted with twice as many spokes as the left.

The results of G3™ system are truly extraordinary: better transfer of the driving torque, better lateral rigidity, reduction of the stress in the rear wheel spokes. And thanks to the G3™ system that compensates for the forces acting on the 2 sides of the wheel, there are no more wheel vibrations, even for heavier people.
Included in delivery: quick releases, wheel bags, brake pads BR-BO500 / BR-BO500X, spacer for 9/10-speed cassetts (only shimano version), manual
Material: rims, hubs: carbon
axles, nipples: aluminium
Weight supplement: wheelset with Campagnolo freehub)
approx. 575 grams (front wheel)
approx. 785 grams (rear wheel)
(manufacturer information

Fact Sheet of Campagnolo Bora Ultra 35 - 28 Inches Wheelset Clincher - Dark

Product Name: Campagnolo Bora Ultra 35 - 28 Inches Wheelset Clincher - Dark
Manufacturer: Campagnolo
Item Code: CAM339147
activity: Cycling
material: Carbon
usage bikesport: Road Bike
spokes: aero spokes, double-butted
shifting system: 9-speed, 10-speed, 11-speed
wheel size: 28" (29") (622mm)
axle standard: Quick Release
wheel/hub version: FW + RW, Set < 1300g
freewheel body: HG Shimano/SRAM, ED Campagnolo
braking system: Rim (Carbon)
tire type: Wire Bead Tire, Folding Tire
spoke hole number: 18
rim width: 24.2mm
rim profile height: 35mm
nipples: aluminium, self-locking
Model year: 2021
Color: Black
weight: 1360g
manufacturer item code: Campagnolo: WH18-BOCFR35DK | Shimano: WH18-BOCFRX135DK
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