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Fulcrum Racing Zero Carbon Clincher Wheelset

Fulcrum Racing Zero Carbon Clincher WheelsetFulcrum Racing Zero Carbon Clincher Wheelset
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Description

About Fulcrum Racing Zero Carbon Clincher Wheelset

When this number came onto the market it marked a massive innovation in the field of low-profile wheels.

What is innovative about the Racing Zero Carbon wheel is the concept: carbon and aluminium blend together to form a unique combination that has successfully re-interpreted the Racing Zero legend with a top-of-the-range version. It has frequently been praised as “super stiff thanks to the aluminium spokes, super reactive thanks to its lightweight rim” as well as boasting “razor-sharp precision” during riding, in addition to being “sturdy and comfortable, light and stable during the tensest moments of a race".

Technologies

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

Ceramic Ultra Smooth Bearings (USB) - 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 our 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.

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

Directionated Rim-spoke Coupling (DRSC) - 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.

Fulcrum Identification Card (FIC) - 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 Fulcrum's 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 our range.

To build them we 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 BedNo 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 HubsIn 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.

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.

All Conditions Carbon Control (AC3) - For years, the issue of braking on carbon rims has been studied and technically updated, in accordance with progress made in research into materials and available finishing processes.

Features

Clincher

Full Carbon, "Twill"

Front and rear 30 mm

Rim width:24,5 mm, ETRTO 17C

Spokes Material: Aluminum

Spokes profile technology: Aero, straight pull

Nipples:Aluminum

Front Hub: Carbon, Aluminum flanges

Rear Hub: Carbon, Aluminum oversize flange

Bearings:USB ceramic bearings. Adjustable Cup & Cones bearing system

Specifications

Tyre Type: Clincher

Tyre Size: 28"

Weight: 1340g

Rim Material: Carbon

Rim Material Details: Full Carbon, "Twill"

Rim Height Category: Low

Rim Height: Front And Rear 30 Mm

Rim Width: 24.5mm, ETRTO 17c

Tyre Width: From 25mm To 50mm

Braking System: Caliper

Braking Surface/braking Options: 3k Carbon Fiber Braking Surface. AC3 Treatment On Braking Surface

Front Axle Compatibility: QR

Rear Axle Compatibility: QR

Front Wheel Spokes: 16

Rear Wheel Spokes: 21 (7 Left + 14 Right), Two To One

Spokes Material: Aluminum

Spokes Profile Technology: Aero, Straight Pull

Nipples: Aluminum

Front Hub: Carbon, Aluminum Flanges

Rear Hub: Carbon, Aluminum Oversize Flange

Bearings: USB Ceramic Bearings. Adjustable Cup & Cones Bearing System

Others: Plasma Treated Hg Freewheel. Aluminum Axle

Weight Limit: 109kg (Cyclist)

More About The Manufacturer Fulcrum

Fulcrum Wheels s.r.l. designs wheels and components for racing bikes and distributes them in over 30 countries worldwide. They were based on the idea of three aerospace engineers who are passionate about bicycles. The strong points of this young company include the use of unique patents, ongoing technological research, and the attractive and young-spirited design.