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Every external component of the wheel has been redesigned to maximise aerodynamic efficiency and reduce weight, saving you precious energy, and generating greater speed from the same rider input.
Climbers will love the Bora Ultra WTO 33’s lower weight, helping them to reach the heights even faster, change pace instantly, and descend with great speed and confidence. Built using Campagnolo’s Hand Made Ultra-Light Carbon (H.U.L.C.), the rims have Campagnolo’s mirror-like Luxury (C-LUX) finish, and undrilled 2-Way Fit rim beds, for perfect tubeless compatibility without rim tape.
Campagnolo’s beautifully moulded carbon fibre front hub body is hourglass shaped to improve aerodynamics, and is securely bonded to a light aluminium hub flange. Integrated radial spoke seats ensure perfect alignment, hidden Aero Mo-Mag nipples and slimmer Aero Elliptical spokes in Campagnolo’s G3 spoke pattern further enhance performance, and its CULT ceramic bearings promise almost frictionless rotation.
The aluminium rear with 36 tooth ratchet system can be driven by N3W, XDR or HG freehub bodies.
WIDER AND FASTER
The completely redesigned Bora Ultra WTO 33 rim now has a 21mm internal width, and is compatible with tyres from 25mm, aerodynamically optimised for this starting compatible tyre dimension.
The Bora Ultra WTO 33 2-Way Fit rim meets ETRTO tubeless standard for fast-rolling tubeless tyre fitment, and is also suitable for tubeless-ready and clincher tyres too.
Wider tyres on wider rims create greater air volume and better sidewall support, and especially when tubeless, can confidently be used at reduced pressures, improving grip, control and comfort, and lessening fatigue without affecting speed.
The hub bodies are slimmer in the centre to reduce the frontal area they present to the wind.#The 24 double butted Aero Elliptical spokes in each wheel have reduced from 1.6mm to 1.5mm in diameter.
New Aero Mo-Mag nipples are hidden inside the rim to clean up the airflow over them, and are still easily adjustable.#STOP AND GO
All of the new Bora Ultra WTO wheels are designed for AFS (centerlock compatible) disc rotors.
Campagnolo’s unique G3 spoke system counteracts the main source of torque at each hub.
CULT ceramic bearings keep the Bora Ultra WTO hubs spinning freely for 5 ½ times than standard steel bearings.
Oversized 36 tooth ratchet freehub is fast to engage and very durable, plus it accepts N3W, XDR, HG freehub bodies.
2-WAY FIT™ is the innovative profile that lets you fit either a tubeless tire or a classic clincher.
A completely internal hidden system that maximizes aerodynamics and enables the construction of a lighter rim.
Thanks to their properties, produced to specific Campagnolo design, CULT bearings offer extremely low friction, enabling maximum performance and energy savings when pedaling.
Fast wheels must look the part and be functional as well. Campagnolo rims in carbon fiber sport the stunning mirror-like Campagnolo Luxury finish.
H.U.L.C. (Handmade Ultra-Light Carbon) is the exclusive Campagnolo technology for the production of carbon rims that optimizes the carbon fiber and resin ratio to increase stiffness and control.
The concept is as simple as it is genius: balancing the weight of the rim joint with a mass of identical weight on the opposite side of the rim.
Campagnolo’s iconic G3 geometry challenges the conventional configuration of wheel spokes on racing bikes. Groups of three parallel straight-pull spokes are in fact arranged in a ratio of 2:1.
N3W stand for NEXT 3 WAYS, a patented standard for a freewheel body engineered to house 11-, 12- and 13-speed cassettes with 9-, 10- and 11-tooth starting sprockets that is still compatible with older 9- and 10-speed cassettes.
The special lamination process designed to produce a rim with just one joint in the fiber: a lightweight resistant carbon monolith.
Thanks to 2-Way Fit™ technology, if you choose Campagnolo® wheels you can test them out to see which of the two solutions feels better for you, or use clinchers for training and tubeless for racing. Tubeless are without doubt the future of tires for road cycling. Apart from greater comfort, other big advantages include the fact that tubeless tires let you make the most of the greater smoothness due to the absence of friction between tire and inner tube. Plus, a tubeless will not suddenly deflate when punctured, which is definitely a good thing in terms of safety. And finally, tubeless tires do away with any risk of pinch flats, because there is no inner tube. If you get a puncture with a tubeless tire, the Campagnolo® 2-Way Fit™ system lets you simply remove the airtight valve, fit a classic inner tube and continue to pedal: problem solved.
The innovative Campagnolo Mo-Mag system means that the nipples can be positioned inside the rim using a magnet, without the need to make additional holes in the bed and in this way offering the safest, most user-friendly tubeless compatible system on the market. Aero Mo-Mag now takes this one step further, with a completely internal hidden system that maximizes aerodynamics and enables the construction of a lighter rim; a single piece of carbon with just one join in the fiber. The internal fiberglass-reinforced polymer seats for the nipples have been specifically designed for every possible combination of rim and hub to achieve perfect alignment of the spokes and nipples and a huge reduction in stress during use on each component. Spoke tension can be adjusted easily, even using the conventional method with the Torx tool that comes with the wheels. Aero Mo-Mag technology is used on the famous Bora Ultra WTO carbon wheels for racing bikes and Hyperon Ultra wheels.
The iconic CULT—ceramic bearings for Campagnolo racing bike wheels—are only mounted on the best hubs and cranksets and are revolutionary compared to other bearings on the market. Thanks to their properties, produced to specific Campagnolo design, CULT bearings offer extremely low friction, enabling maximum performance and energy savings when pedaling. The top-quality ceramic balls with high-precision roundness and resistance turn inside polymer cages on stainless steel races that are extremely resistant to wear and tear. These cages are designed with tolerances accurate to the micron, which maximizes their efficiency and durability. CULT bearings do not deform or corrode, ensuring long-term constant performance and product quality. Their maintenance requires only periodic cleaning and light lubrication with synthetic oil. CULT bearings have a 40% lower friction coefficient than standard sealed bearings and they roll for 5 and a half times longer in tests. CULT ceramic bearings are available for the best-known Campagnolo racing bike wheels: Bora Ultra WTO, Ghibli and Hyperon Ultra.
Fast wheels must look the part and be functional as well. Campagnolo rims in carbon fiber sport the stunning mirror-like Campagnolo Luxury finish. The C-LUX finish is obtained by controlling the external thickness of the very resin that makes up the structure of the carbon fiber. In this way, only one material is used for the wheel, making it free from molding defects and so smooth it requires no lacquer, a unique characteristic that saves weight and celebrates the lightness of Campagnolo design. When also applied to the rim bed, like the first time with the Bora Ultra WTO wheels, the scientific precision of the C-LUX finish helps to ensure the safest possible seating of tubeless tires. A design plus that increases their pressure seal, makes for easier installation/assembly, reducing the risk of abrasions to the bead. The eye-catching glints given off by the carbon fiber and their essential lines take Campagnolo wheels to the level of true design icons. The C-LUX finish thus becomes a distinctive element, highlighting the aesthetics of bikes fitted with Campagnolo wheels, enhancing them with new emotions and valuable meaning. The C-LUX is used on Bora Ultra WTO, Bora WTO, Hyperon Ultra, Shamal, Ghibli wheels for racing bikes and on Levante gravel wheels.
H.U.L.C. (Handmade Ultra-Light Carbon) is the exclusive Campagnolo technology for the production of carbon rims that optimizes the carbon fiber and resin ratio to increase stiffness and control. This distinctive feature of top-end Campagnolo wheels is an evolution of the exclusive carbon molding process patented by Campagnolo that creates defect-free rims and requires no additional coats of lacquer. Optimization of the carbon fiber and resin ratio guarantees a reduction in weight and unprecedented dimensional accuracy of the safety elements on the 2-Way Fit rim (coupling diameters, hooks and humps). H.U.L.C. technology is applied to Bora Ultra WTO, Hyperon Ultra, Shamal, and Ghibli wheels for racing bikes and to Levante gravel wheels.
RIM Dynamic Balance™ – aluminum wheels The concept is as simple as it is genius: balancing the weight of the rim joint with a mass of identical weight on the opposite side of the rim. For top-end models this is achieved by intervening on the section of the rim opposite the joint. SPOKES Dynamic Balance™ For entry-level models, the balance is achieved with two oversized spokes in the section opposite the joint. The result is a wheel with perfectly balanced rotational dynamics. RIM Dynamic Balance™ – Carbon wheels For carbon wheels, the principle is the same but the technology differs. The pieces of carbon cloth are aligned using a special procedure that ensures the rim is always balanced.
Campagnolo’s iconic G3 geometry challenges the conventional configuration of wheel spokes on racing bikes. Groups of three parallel straight-pull spokes are in fact arranged in a ratio of 2:1. Having twice as many spokes on one side allows wheels with G3 technology to achieve perfectly balanced tensions, increasing stiffness and improving energy transfer. An iconic design with unique style that helps to improve load absorption and reduce weights. The G3 spoke pattern also has a positive effect on the steering experience: the original triplet pattern reduces perceived vibrations, minimizing micro-deformation of the rim under tension and its response to stressors on the course. G3 geometry is designed with optimized solutions for front and back wheels. The front one has more spokes on the disc side to absorb braking loads. Whereas on the back one the same loads are transferred to twice the number of spokes on the cassette side through the monolithic hub body: an intuitive idea that enables functioning during both braking and energy transfer during pedaling. The G3 spoke pattern is used on Bora WTO and Bora Ultra WTO racing wheels, wheels in the Shamal family and on all the aluminum wheels in the Campagnolo collection.
N3W stand for NEXT 3 WAYS, a patented standard for a freewheel body engineered to house 11-, 12- and 13-speed cassettes with 9-, 10- and 11-tooth starting sprockets that is still compatible with older 9- and 10-speed cassettes. To make it compatible with all of today’s cassettes with 11-tooth starting sprockets, simply use the N3W ring (kit complete with ring + ring code AC21-N3W), which makes them the same length as the classic body. N3W is directly compatible with the new Campagnolo cassettes with 9- and 10-tooth starting sprockets. N3W has the same groove profile as the classic Campagnolo body but it is 4.4 mm shorter, making it much lighter. There is also a N3W Light version with an aeronautical-quality aluminum hub with optimized geometrics that delivers maximum torsional stiffness and maximum performance control. Special Campagnolo processes have resulted in a patented Next 3 Ways freewheel body with unmatched smoothness and lightness. The N3W freewheel body is used on Bora WTO, Bora Ultra WTO, and Hyperon Ultra carbon wheels for racing bikes and on Shamal Carbon wheels.
For construction of its carbon fiber wheels, Campagnolo uses a special lamination process designed to produce a rim with just one joint in the fiber: a lightweight resistant carbon monolith. This particular technology is totally different to the industry standard four-joint constructions. The resulting rim is extremely stiff and responds immediately to the terrain, transmitting pedal power and efficiency to the ground. A construction excellence introduced with Hyperon Ultra carbon wheels that makes the rim incredibly easy to handle, hardwearing and resistant to damage. A construction excellence used on Bora Ultra WTO, Hyperon Ultra, Shamal, and Ghibli wheels for racing bikes and on Levante gravel wheels.