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Campagnolo Bora Ultra WTO 45 Disc 28" zapletená kola Campagnolo N3W-volnobeh/u dark label

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Číslo výrobku výrobce na displeji
Campagnolo Bora Ultra WTO 45 Disc 28" zapletená kola Campagnolo N3W-volnobeh/u dark label 41360024 2.521,68€
Číslo výrobku výrobce WH21-BUWP45DCSN3W
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Campagnolo`s benchmark for all-round disc wheels

The Bora Ultra WTO 45 from Campagnolo has a perfect balance between speed, maneuverability and stability, making it the best choice for all-rounders. The versatile rim design takes into account driving conditions on the road, not just those created in the wind tunnel, and the result is a rim shape that reduces drag in the most efficient way.

The Bora Ultra WTO 45 is now even lighter, thanks in part to Hand Made Ultra-Light Carbon (HULC) construction, and has thinner elliptical aero spokes and hidden nipples that help cut the air. The carbon hub body with exclusive Campagnolo design is firmly attached to an aluminum flange and the integrated spoke seats ensure perfect alignment. A unique C-LUX surface finish and a new, subtle Bora Ultra graphics make the wheels elegant and stylish.

Campagnolo's CULT ceramic bearings rotate effortlessly in both the aerodynamic carbon front hub and the aluminum rear hub. The oversized rear wheel freewheel with 36 teeth is compatible with the standards N3W, XDR and HG.

Main advantages

Undeniable efficiency

The overall efficiency of the wheels is determined by overcoming air resistance, rolling resistance and the effects of weight and incline. The rolling resistance is lower with this rim profile with an inner rim channel width of 19mm, especially with 25mm or 28mm tires, but the aerodynamics are optimized with 25mm. With a system weight of 87 kg, the rolling resistance of a 25 mm tire at 40 km / h is: tubular tires 30 watts, clincher tires 28 watts, tubeless 25 watts. That is why the Bora Ultra WTO has 2-Way Fit rims for tubeless, tubeless ready or clincher tires

Perfect alignment

Campagnolo presses the holes of the nipples and valves directly with the rims so that the carbon fiber does not have to be drilled out afterwards. Each spoke hole has an internal seat for the nipple, which is extracted from the layered carbon of the rim and specially designed with the correct inclination to connect to the hub. The Aero Mo-Mag nipples are perfectly aligned with each spoke and enable very precise wheel assembly with reduced, localized stresses and improved fatigue strength.

Stop and go

All new Bora Ultra WTO wheels are designed for AFS brake discs (Centerlock compatible). Campagnolo's exclusive G3 spoke system improves the transmission of drive torque. The CULT ceramic bearings used by the Bora Ultra WTO hubs are 5½ times smoother than standard steel bearings. The oversize freewheel with rack with 36 teeth is responsive, very resistant and compatible with N3W, XDR, HG freehub bodies.

Attention: the illustration is an example!

Highlights

  • High-strength UD carbon fiber rim, 2-way fit, C-LUX surface finish
  • Rim height 45mm, inside width 19mm, outside width 26.1mm
  • Suitable for tires with a width of 23mm - aerodynamically optimized for 25mm tires
  • Hub with carbon body (front) with CULT ceramic bearings - hub with aluminum body (rear) with CULT ceramic bearings
  • Developed and optimized for disc brakes
  • 24 elliptical, tapered aero spokes with straight head, G3 lacing
  • Concealed Aero Mo-Mag nipples
  • Compatible with Campagnolo N3W freehub bodies as well as XDR and HG

specification

specification WH21-BUWP45DCSN3W WH21-BUWP45DCSHG WH21-BUWP45DCSXDR
Area of application Road Road Road
Type Wheelset Wheelset Wheelset
Suitable for Clincher, tubeless Clincher, tubeless Clincher, tubeless
Tubeless ready Yes Yes Yes
Impeller size 28 '' 28 '' 28 ''
Axis / installation dimension 12x100 mm / 12x142 mm (front / back) 12x100 mm / 12x142 mm (front / back) 12x100 mm / 12x142 mm (front / back)
Brake type Disc brake Disc brake Disc brake
Brake disc mount Centerlock Centerlock Centerlock
Material rim Carbon Carbon Carbon
Rim height 45 mm 45 mm 45 mm
Inner rim width 19 mm 19 mm 19 mm
Outside rim width 26.1 mm 26.1 mm 26.1 mm
Recommended tire width 700x25C 700x25C 700x25C
Spoke type Aero spokes, elliptical Aero spokes, elliptical Aero spokes, elliptical
Number of holes / number of spokes 24 24 24
Lacing G3 ™ G3 ™ G3 ™
Spoke nipples Aero Mo-Mag ™ made of aluminum, self-locking Aero Mo-Mag ™ made of aluminum, self-locking Aero Mo-Mag ™ made of aluminum, self-locking
Compatible with thru axle / quick release Thru axle Thru axle Thru axle
Hub body material Carbon / aluminum / front / rear) Carbon / aluminum / front / rear) Carbon / aluminum / front / rear)
Material warehouse Ceramics Ceramics Ceramics
Freewheel Campagnolo N3W ™, 11-13 speed Shimano HG, 9-11 speed SRAM XDR, 12-speed
Freewheel body material Aluminum Aluminum Aluminum
Extras Campagnolo N3W adapter for Z11    
Weight approx. 1425 g (front: 660 g / rear: 765 g) approx. 1425 g (front: 660 g / rear: 765 g) approx. 1425 g (front: 660 g / rear: 765 g)

Technologies used

In this chapter we explain the technologies that the manufacturer uses for this product.

HULC - Handmade Ultra light Carbon
The Bora Ultra WTO rims are manufactured using Campagnolo's new HULC process. It is a further development of the exclusive carbon compression molding process, which already produces flawless rims that do not require any additional post-processing. The optimization of the ratio of carbon fiber and resin as well as process improvements ensure a consistently precise shaping of the 2-way fit rim flanks and all other details. The Bora Ultra WTO rims are the lightest Campagnolo has ever made in all of the heights offered. Still, they offer the same rigidity and better mechanical resistance than the already remarkably reliable non-HULC rims.

Cult ™ ceramic bearings
The best Campagnolo ceramic bearings are only installed on the best hubs and sprockets. They represent a significant upgrade over all other bearings. Their high-quality ceramic balls are incredibly round and tough, and rotate in wear-resistant stainless steel ball rails that have been constructed with micrometer tolerances to maximize their efficiency and durability. They do not warp or corrode, have consistent performance over the long term and only need to be cleaned regularly and lubricated with light synthetic oil. CULT ™ bearings have a 40% lower coefficient of friction than standard sealed bearings and have been tested to rotate 5.5 times longer.

Aero Mo-Mag
The innovative Mo-Mag system made it possible to position the nipples inside the rim with the help of a magnet, without having to create additional holes in the channel. Aero Mo-Mag takes another step forward with a completely internal, hidden system that maximizes aerodynamics and allows a lighter rim to be built. The inner nipple seats made of glass fiber reinforced polymer are specific for each rim and hub combination. This guarantees perfect alignment of the spokes and nipples and reduces the stress on the individual components due to the stress. Any adjustment of the spoke tension can still easily be made in the conventional way with the supplied Torx tool.

G3 ™ geometry
Campagnolo's exclusive G3 spoke configuration includes groups of three parallel straight-headed spokes arranged in a 2: 1 ratio. By doubling the number of spokes on one side, the wheels with G3 technology can counteract the asymmetry of the drive system and the braking forces acting on it, which leads to a more symmetrical driving behavior and a load compensation. The energy transfer and the lateral stiffness are improved and the spoke tension is optimized, which reduces the load and increases the service life. All Campagnolo wheels with disc brakes use G3 lacing, whereby the front wheel has more spokes on the disc brake side and the rear wheel is double-spoked on the drive side.

scope of delivery

  • 1 x Campagnolo Bora Ultra WTO 45 Disc 28 '' wheelset (see item description for details)
  • 1 x Aero Mo-Mag ™ nipple maintenance kit
  • 1 x Campagnolo accessory bag
  • 1 pair of tubeless valves
  • 1 pair of AFS lock rings
  • 1 pair of wheel bags
  • 1 pair of removal levers for tires
  • 1 x user manual

Product video

test verdict

Design & Innovation Award Winner of the Design & Innovation Award 2022

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Über die Marke Campagnolo

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