Campagnolo Bora WTO 33, 2-Way Fit, Rim Wheelset

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Campagnolo Bora WTO 33 Wheelset

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The family of carbon aero wheels is further enhanced with the 33 mm profile, available in both rim and disc brake versions and designed to appeal to a broader customer base. Bora wheels have been a market benchmark for top-end wheels since their introduction in 1998; after more than twenty years of innovation they are today taken to an even higher performance level. Following the success of the WTO (Wind Tunnel Optimized) line, the new Bora WTO 33 have been studied to offer yet another profile in addition to the existing 45, 60 and 77. Each component of this wheel has been optimized in the wind tunnel in order to improve its aerodynamic performance. It therefore delivers multiple benefits that can be noted on different routes, from the most demanding of sprints to relaunching after a bend, while still ensuring efficiency on the flat and now also suitable for the hardest uphill finishes! It is a turning point in the all-rounder segment: a truly multi-purpose wheel. Aerodynamic aluminum rims and hubs and ceramic USB cup-and-cone bearing system in the hubs themselves: every design choice has been made with a view to optimizing performance. The 19 mm internal diameter of the rim enables tires of 23mm, 25mm and 28mm to be fitted. In addition, with the 2-Way Fit version, Campagnolo offers its tried-and-tested technology with full compatibility with clincher and tubeless tires. While the key purpose of these wheels is to deliver extreme performance, safety is also guaranteed by the Campagnolo AC3 (All Conditions Carbon Control) technology, which ensures safe, modular braking in all weather conditions. Available versions: bright and dark label, Campagnolo FW or HG11 body


  • UD carbon construction with WTO aero profile
  • 2-Way Fit tubeless-ready rims
  • USB ceramic bearing hubs
  • Straight pull steel aero spokes
  • Titanium freehub body (Campagnolo specific)
  • 19mm internal rim width (Campagnolo C19)
  • 26.5mm external rim width
  • Made in Italy


  • Hub/Brake Compatibility: Rim Brake
  • Choose a Cassette Body Type: Campagnolo 10/11/12 or Shimano HG 10/11 Speed (when listed)
  • Front Axle: QR x 100mm
  • Rim Depth (mm): 33 mm
  • ISO Diameter: 622 / road / 29"
  • Rim Material: Carbon
  • Rear Axle: QR x 130mm
  • Rim: Bora
  • Spoke Interface: Straight Pull
  • Tire Type: Tubeless Ready , Clincher
  • Valve Length: Long Presta Valve 56-74mm
  • Weight: 1527 g
  • Wheel Size: 700c
  • Rim Joint: Carbon
  • Rim Width (Internal): 19 mm
  • Spoke Profile: Round
  • Nipple Material: Alloy
  • Spoke Color: Black
  • Rim Color: Black
  • Hub Color: Black
  • Defined Color: Black

Bora has become the gold standard in carbon racing wheel solutions for many reasons ranging from reactivity, handling and featherweight yet reliable construction. However, it is wind, or rather penetrating that wind, that gives the wheel its name as aerodynamics are such an important part of its performance. The Bora WTO project took this portion of the wheel’s DNA as a central design focus and the Campy Tech Lab dedicated its energies towards pushing the limits of aerodynamic efficiency even further. The result of this task force’s labor comes in the form of two wheels, the Bora WTO 77 and Bora WTO 60.

The new acronym, which stands for WIND TUNNEL OPTIMIZED, is fitting as the line of wheels with whom it is associated incorporate a design that emerged from a Campagnolo engineering task force wholly dedicated to making the most efficient wheels possible in terms of overcoming and reducing resistance. Such a task saw the engineering team spending as many hours in the wind tunnel as in the office, hence the moniker of WTO. The new wheels maintain the classic performance ingredients of their Bora predecessors and counterparts yet add unique design features that will set new standards for aerodynamic efficiency.

While certainly not the only element in an efficient wheel, the rim is certainly the largest component in the build and as a result the recipient of a great deal of attention in terms of development. The Campagnolo carbon fiber Bora WTO rims represent the maximum in terms of not only aerodynamic profile design but versatile aerodynamic design. If a wheel is to provide greater aero efficiency it must do so in real world conditions which present many variables and very few constants. Mother Nature does not create wind in a uniform manner or from the same direction. At the same time race courses aren’t typically straight nor do riders maintain a perfect position as if in the wind tunnel atop a trainer. With that in mind, Campagnolo engineers set about to account for all of these variables in what has come to represent perhaps the most comprehensive aerodynamic study ever performed by the company to produce wheels that are WIND TUNNEL OPTIMIZED for real world conditions.

Through numerous real world tests performed on two different continents, countless studies of published data relative to wind patterns, days and days of wind tunnel time, CFD analysis and enough mathematical calculations to make a lunar landing the engineering team produced two aerodynamic profiles that confer the most efficient structure available on the market in terms of drag reduction. The Bora WTO rim shape at both 77 and 60mm is efficient to the point that it not only reduces drag, but at certain angles is capable of reducing it to the point of negative drag, almost pushing the wheel forward. While most aero projects concentrate solely on the rim, the WTO project took a comprehensive look at the entire wheel, ensuring that all components in its build confer aerodynamic efficiencies to the complete unit. To complement the new standard in aero rims both the hub and the spokes were redesigned to ensure a complete aero unit. The new hub, in aluminum construction, follows the same design premise of the rim in that it must be aerodynamic in a versatile manner. Slimmer towards the center and growing in width towards the flanges where it connects with new 3D aero profile spokes.

The efficient wheel is appreciated when out on the road, and as such must be tested, developed and conceived considering the tire with which it is built. The research into making a more efficient rim already called for a wider stance in general but theC19 class structure provided the multiple benefit of a better performing rim design, better fit with 23, 25 and 28mm tires and an overall more efficient complete unit (tire + rim). The wider stance allows the tire to take on a more aerodynamic shape and as such, allows for the tire to become efficient in terms of drag as well.

The cyclist must not only overcome aerodynamic resistance in his or her quest for victory but rolling resistance also plays a major role in zapping precious energy from the legs of any rider. While boosting aero efficiency is paramount, reducing rolling resistance pays significant dividends as well. One simple way to improve rolling efficiency is to add extremely efficient bearings. The Bora WTO 77 comes equipped with CULT ceramic bearings, perhaps the most efficient solution on the market (9 times more efficient than standard steel bearings). The Bora One 60 WTO on the other hand rolls smoothly atop USB ceramic bearings. Rolling resistance is also created where contact between tire and road occurs. According to both our internal research and a myriad of independent studies, rolling resistance varies depending on the type of tire being used. Contrary to popular belief, the tubular tire is the worst performer, the clincher/inner tube represents a significant improvement and tubeless tires offer the least rolling resistance of all. As a result, the Campagnolo engineering department incorporated a carbon fiber 2-WAY-FIT profile in order to offer the possibility to choose between the two most efficient solutions available, tubeless and clincher tires, with no need for additional material or conversions.


The Bora WTO 7 and Bora WTO 60 represent not only the most efficient wheels possible in terms of aerodynamic performance and low rolling resistance but by doing so while maintaining an additional focus on weight makes for an ever more efficient total structure. Lighter wheels make for faster changes in speed that require less energy to move as a result of lower rotational mass. Campagnolo carbon expertise allows for the 77mm and 60mm rim to perform its task at a lower weight than comparable rim heights from competitors. The hubs, made from aerospace grade alloys and engineered to reduce every unnecessary milligram from their construction also contribute to the scant weight of the overall wheel. The Bora WTO 77, available only as a front wheel considering its specific use for TT and Triathlon, weighs an amazingly low 755gr. The Bora WTO 60, available as a pair, is much more versatile in terms of rim height and overall weight. 670 for the front and 880 grams for the rear makes for a 1550gr total package which renders the Bora WTO 60 capable of offering not only superior aerodynamics over a wide variety of terrain, but do so without a compromise in terms of weight.

Reducing the weight to a minimum on both wheelsets is a feat in and of itself but doing so while maintaining Campagnolo strict standards in terms of safety and reliability makes these two wheels engineering examples worthy of every accolade they receive. The Bora name is prestigious and with a long and extremely successful past and present, it has earned its good name time and time again. With that in mind, each innovation released under the Bora name must prove itself worthy of such an important moniker in terms of performance, reliability and innovative race winning design. The new Bora WTO line proves itself without a doubt and proudly joins its Bora family in offering the highest and longest lasting performance available in the world of road racing carbon wheelsets. The winds are changing and the new name for efficient racing solutions is BORA WTO.

2 Reviews Hide Reviews Show Reviews

  • 5
    Firm, comfortable wheels

    Posted by Richard Randolph on 22nd Apr 2022

    These wheels, my first set of full-carbon wheels, were a gift to myself after I received the insurance settlement for a car that ran into me while I was cycling. They are precision-built wheels that roll smoothly on the flats and climb well. I am not a fan of tubeless so I installed quality 23mm clinchers to maximize lightness on the climbs. I realized immediately I needed to install at least 25mm tires, given the greater width of the rims. I like these wheels but performance-wise they are not noticeably faster than my Neutron wheels with 25mm tires. Perhaps with 25mm they will be!

  • 5
    BORA WTO 33 - Wow - what a difference!

    Posted by Jeffrey Meyers on 25th Mar 2021

    I completed a re-build of my 20+ year old Serotta Legend Ti with Campagnolo Record 12 Speed. I thought I would run my old Mavic Ksyrium SSC SL wheels, but saw these and decided to splurge. Wow, what a difference. I'm able to accelerate harder, maintain higher speeds, and climb more easily - all of these traits were readily apparent. Compliance over bumps is great too - firm, but not harsh. They also look fantastic and have excellent build quality. Braking is strong and consistent as well. They come with bags, skewers, new pads, and tire levers which is a nice touch. I am currently running tubes, but plan on getting tubeless tires which should increase compliance over bumps even more. Very happy!