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Fulcrum

Fulcrum Racing Zero - Roue - Shimano noir (2017)


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The gold standard among high-level aluminum road bike wheels. 
With the unmistakable character that everybody knows well, the absolute ability to transmit your energy on the asphalt, its extreme riding precision. 
Unrivaled in the peloton: extraordinary performance and high impact aesthetics make these road bike wheels the point of reference for cyclists. 
Race after race, Zero wheels have become synonymous with excellence, quality, performance, reliability… and victory!

Momag
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 wheels without holes on the upper bridge, but with spokes tensioned by traditional nipples! 
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 benefit 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.

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 has been studied in the wind tunnel tests to ensure the best aerodynamic penetration possible

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.

Ultra Smooth Bearings
Fulcrum has a long-standing reputation for the extremely high performance of its hubs in terms of smoothness and reliability. 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.

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.
Référence produit : 515156
Genre unisexe
Utilisation Road
Jantes Matériaux : aluminium | Construction : creux | forme : centre de baisse jante | type de pneu : pneus rigides/Clincher | Indicateur d'usure : oui | Largeur : : 22.5 mm | largeur intérieure : 17 mm | Taille : 28 pouce(s)
Moyeu avant Largeur de l'encastrement : 100 mm mm | Roulements à  billes : oui | Scellé : oui | Nombre de rayons : 16
Moyeu arrière Type : Aluminum hub bodies, Oversized aluminum flanks, USB ceramic bearings, adjustable cone bearings, aluminum axles | Largeur de l'encastrement : 130 mm | Roulements à  billes : oui | Scellé : oui | Nombre de rayons : 21
rayons Matériau : Aluminium | Laçage : Front wheel 16 radial / HR 21, left 7 radial, right 14 crossed (two-to-one) | à rayons : oui
Roue avant Pour frein : sur jante
Roue arrière Pour frein : sur jante
Année modèle 2017
Référence produit 515156
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