Campagnolo Bora WTO 77 2-Way Tubeless Clincher Front Wheel

Bora has become the benchmark in the carbon race wheel sector for many reasons, including reactivity, handling, lightness and reliability.

Still, it is the wind, or better said, the penetration of the wind that gives the wheel its name since aerodynamics is an essential part of its performance. With the Bora WTO (Wind Tunnel Optimized) project, the Campy Tech Lab dedicated all of its energy on further improving aerodynamic efficiency, pushing the boundaries once again. Today, the result achieved by this task force is called the Bora WTO 77. Every element of this wheel was designed completely from scratch and it has become the fastest front wheel on the market.

Main Benefits

The Most Aerodynamic

• The rim design enables the maximum amount of aerodynamic penetration when the wind angle is between 12° and 19°, making it a thrust for triathlon athletes and having the same impact on the new rim
• The streamlined design of the central part of the hub decreases the frontal area of the component whilst the special design of the flanges favours airflow detachment
• The 16-spoke elliptical cross section has a far superior rolling resistance compared to a spoked wheel

The Smoothest

• The well-known Cult cup-and-cone bearing system is unrivalled in terms of smoothness.
• The 2-Way Fit profile allows you to mount either a clincher tyre or a tyre which offers the least rolling resistance possible: the tubeless tyre
• The C19 class allows you to mount tyres from 23, 25mm to 28mm, with perfect pairing of the rim-tyre system

Choose Aero... But Make It Campagnolo

• Campagnolo's rideability remains high despite the focus on aerodynamics
• The wheel structure enables reducing energy dissipation, transferring all the energy produced by the cyclist to the asphalt
• With 745g in weight, not even a 77mm profile can tolerate the route's variations in elevation

Technology

2-Way Fit

2-Way Fit is the profile which makes it possible to fit both a tubeless tire or a classic clincher.

G3 Geometry

Campagnolo’s unique G3 spoke pattern comprises groups of three parallel straight-pull spokes, arranged in a 2:1 ratio. Having twice as many spokes on one side allows wheels with G3 to counteract the asymmetric drivetrain and braking forces acting on them, creating more symmetric performance and equalising the load. Energy transfer and lateral rigidity are improved, and spoke tension is optimised, reducing stress and increasing lifespan.

All Campagnolo disc brake wheels utilise the G3 pattern, the front wheel has more spokes on the disc brake side, and the rear is biased to the drivetrain side.

USB Ultra Smooth Bearings

Perfectly smooth surfaces and lower friction to reduce loss of power are the most interesting features.

Add on the reduced weight and resistance to corrosion and you will understand why Campagnolo can give you the best thanks to USB. All your power will be transferred onto the road.

Campagnolo has a long-standing reputation for the extremely high performance of its hubs in terms of smoothness and reliability. In fact, all the projects are entirely developed in our R&D department Campy Tech Lab and Campagnolo have put obsessive care into taking care of every detail.

The hubs with USB ceramic bearings (Ultra Smooth Bearings) further enhance the wheels' smoothness and reduce weight and the need for maintenance. Comparative tests have shown that USB bearings are 50% smoother than standard bearings.

Now improving your performance during the race or simply going for a ride with your friends will be easier.

USB - Ultra Smooth Bearings - technology is used for Record cranksets and for the new Shamal Ultra wheels.

Dynamic Balance

RIM Dynamic Balance – aluminium wheels

The concept is simple and elegant: balance the weight of the gasket, with an item of similar weight placed on the exact opposite side. For top models, this is obtained by a special operation on the section of the rim opposite the rim joint.

MoMag

What is MoMag?

A technology that offers several advantages to the structural integrity of the wheel as well as eliminating the need for rim tape. The name derives from “Mounting Magnet” system, shortened to MoMag.

How does it work?

The nipples, once inserted inside the rim via the valve hole, are “guided” to the point of connection with the spoke by means of the magnet.

This simple but ingenious system makes it possible to have a wheel without holes on the upper bridge, but with spokes tensioned by traditional nipples!

Advantages:

No holes on the rim means that the rim is uniform at every point, free from stress points or zones of weakness and, for the clincher profiles no rim tape is required, to the benefi t of weight reduction. The advantages are immediately clear: greater rim lifetime, greater resistance to fatigue, the possibility to give the spokes greater tension, and greater stiffness which, in terms of performance, mean greater reactivity and acceleration.

But that’s not all. The advantages also include extremely quick and simple maintenance and spoke replacement. All to the benefit of cyclists who choose Campagnolo.

Features

The Most Aerodynamic

The streamlined design of the hub in the central part decreases the front area of the component and the particular design of the flanges promotes the separation of the air flow. The 16-spoke elliptical section drastically reduces the running resistance of a spoked wheel.

The Smoothest

The CULT cup-and-cone bearing system has no rivals regarding smoothness. The 2-Way Fit profile makes it possible to assemble not only the clincher tyre, but also the tyre with the lowest rolling resistance available: the tubeless. The C19 class permits assembly of 23, 25 and 28mm tyres with the perfect coupling of the rim-tyre system.

Specification

Spokes

• 16 steel spokes in the elliptical cross section
• Anti-rotation technology

Hub

• Black aluminium monolithic hub
• CULT Cup-and-cone
• Hub Edge: 100mm
• Axle Material: aluminium

Tyres

• Clincher
• Tubeless

Rim

• Profile Height: 77mm
• Rim Material: Carbon
• Rim Cross Section (H x W): 77 / 26.5mm
• Rim Class: C19
• AC3 technology on the braking rim
• Water Transfer graphic

Assembly

The Bora WTO 77 Wheel is entirely hand-assembled by a specialised Campagnolo technician and is 100% checked by electronic instrumentation. This procedure ensures that every single Campagnolo wheel offers maximum performance and reliability.

Included

• Special brake block kit for carbon wheels (red compound): 40% better braking performance in wet conditions and 20% better in dry
• Lightweight Quick Release wheels with an aerodynamic profile and shiny finish
• 35mm tubeless valve
• 65mm valve extender
• Bushing to reduce the size of the valve hole
• User manual

Weight

• Weighs 755g