Fulcrum Speed 55C Carbon Clincher

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Description

Description

The top range for clincher tyres moves up a gear with the new SPEED 55C, a racing bicycle wheel that reflects developments in the research into materials carried out by Fulcrum's R&D team. The full-carbon rim has had a complete facelift, both in terms of the carbon used and the braking rim, thanks the new AC3T technology used.

The twill weave carbon-fibre pattern is unlike any other used in the past, enhancing the elastic responsiveness of the rim, thus boosting reactivity when rising out of the saddle and the transfer of power to the ground.

A joy for rouleurs, sprinters and triathletes alike who seek an aerodynamic wheel that doesn't waste one single watt of power and is ready to accelerate and effortlessly maintain set speeds. In short, the range offers everything you need to achieve your targets within a group and feel satisfied when you look at the stopwatch.

55 mm is the size to choose if you're aiming to increase your power output and make the most of the flywheel effect created by the rotation of the rim: incredible speeds plus optimum support during the strongest accelerations. This wheel is ideal for short climbs out of the saddle, when cycling on the flat or in triathlon races when making the most of aerodynamics is key.

Technologies

Rim Dynamic Balance -The concept is simple and elegant: balance the weight of the gasket, with an item of similar weight placed on the exact opposite side.

USB - Ceramic Ultra Smooth Bearings -Fulcrum 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 their R&D department and they have put obsessive care into taking care of every detail.

The hubs with USB ceramic bearings (Ultra Smooth Bearings) further enhance the triathlon and road bike wheels' smoothness and reduce weight and the need for maintenance.

2:1 Two-to-One -When you push on the pedals, the rotational force on the sprocket induces a slackening of the freewheel spokes with a consequent loss of rim tension.

This results in undesirable flex of the whole wheel and an unavoidable loss of energy. Fulcrum has solved this classic cycling problem with its 2:1 Two-to-One Spoke Ratio patent, by doubling the spokes in the critical zones.

DRSC - Directionated Rim - Spoke Coupling -Exclusive rim/spoke coupling system. It allows the rim, spokes, nipples and hub to align properly with the same tensioning value in all areas.

MOMAG -A magnet and lots of ingenuity. This was what led to the patent for the well-tested "Mounting Magnet" system, or MoMag.

Anti-Rotation System -This new system raises the concept of spoking to a new level of performance for road bike and triathlon wheels.

The Fulcrum engineers have redesigned the spokes and the hub housings to create a solid and unmoveable whole. The result is that the spokes

a) will never lose their initial tension, thus keeping the wheel perfectly reactive and centred

b) will remain in the position that have been studied in the wind tunnel tests to ensure the best aerodynamic penetration possible.

F.I.C. Fulcrum Identification Card - 100% Handmade Quality -Right from its inception Fulcrum has been marked by feature that continues to this day: that is to design, prototype and industrialise all the wheels characterised by the red "F".

Indeed these take shape inside of the R&D, the leading-edge department that represents the beating heart of the Italian company.

Every single component of the wheel, the materials chosen and the technologies applied are the tangible result of the effort that Fulcrum makes every day to give you maximum performance and reliability.

Traceability -A guarantee of quality

The keyword for their products is: traceable.

If you find a little label attached to any Fulcrum product, do not remove it. It will provide you a guarantee in case of an ascertained defectiveness of a production batch, and so the component needed or wheel will be traceable.

All this because, devoted to its mission, Fulcrum demands the absolute perfection and safety for its customers.

Rim Full Carbon Technology -Full carbon Fulcrum rims are built using combinations, developed in the laboratory, of different types of fibre, including UD and the famous 90-degree 3K of models at the top of their range.

To build them they developed a special HTG (high transition grade) resin, whose glass transition point is at a higher temperature than any other fibre used in the bicycle industry.

This gives incomparable performance when braking.

Wide Rim Tech -Fulcrum's R&D department, following requests from the competition circuit, has worked to create rims that are wider than before, about 4 mm or more than previously. This technical choice provides an ideal basis for 25/28mm tyres, the sizes currently popular.

This ensures stability, excellent handling and superior comfort.

Unrilled Rim Bed -No holes on the bridge connector means that the rim is uniform at every point, free from critical areas subject to stress.

The advantages are immediately clear: less weight, longer lasting rims, greater resistance to fatigue, the possibility of giving the spokes more tension and more stiffness which, in terms of performance, means improved responsiveness and acceleration.

Cup and Cone -The cup-and-cone bearing differs from the classic cartridge bearing because it works in perfect alignment with the forces involved, weight and thrust from the frame, as the bearings run in a race positioned directly opposing these forces.

Carbon Hubs -In line with their aim to save every possible gram of weight and to choose the most advanced technological solutions, the R&D department has developed a seamless carbon hub.

The fibre selected is woven at 90 degrees, for enhanced balance of torque when pedalling.

Plasma Freehub - The Plasma treatment makes the aluminium especially hard and resistant to surface abrasion and wear. This has allowed thickness of materials to be reduced to a minimum, achieving advantages of lighter weight, while maintaining lifespan and reliability.

Oversize Flange -The Oversize Flange was developed from the need to create a system to transmit every watt to the ground without dispersion, stiffening the wheel system where necessary, without having to add spokes or superstructures that increase weight.

The oversize flange uses physics to solve the problem. It increases dishing and enables spokes to be shortened. Doubling the spokes creates a balanced system that is excellent at transmitting torque.

AC3 - All Conditions Carbon Control - Braking directly exploits the brake pad's contact on the fiber, improving grip and dissipation of water and moisture from the surface, allowing it to work immediately in ideal conditions and give better results.

Specifications

Tyre Type: Clincher

Tyre Size: 28"

Weight: 1470g

Rim Material: Carbon

Rim Material Details: Full Carbon, "Twill" - Carbon Fiber Finishing

Rim Height Category: High

Rim Height: Front and Rear 55mm

Rim Width: 24.2mm, ETRTO 17C

Tyre Width : From 25mm to 50mm

Braking System: Caliper

Braking Surface/braking Options: "Twill" Carbon Fiber Braking Surface. Ac3 Treatment On Braking Surface