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100mm Front - 130mm Rear - QR
Select  Wheel Size
700c
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With the addition of the Racing Speed™ model to the range, Fulcrum has democratised the high profile carbon fibre wheel. Racing Speed™ reflects every feature of the design lines of the Racing Speed™ XLR model, becoming the entry level model of the high profile carbon range
Features:
• The rim is entirely made of carbon fibre, with a height 50 mm.
• The carbon rims are made using a particular technique by which the carbon fabric is aligned so that the resulting rim is always balanced.
• The spokes are burnished, 18 radial for the front wheel and 21 with Fulcrum® 2:1 spoke ratio for the rear wheel.
• The oversize hubs are in aluminium and feature the innovative spoke anti-rotation system created by Fulcrum®, which consistently guarantees the maximum aerodynamic penetration of the aero spokes.
• Like the Racing Speed™ XLR model, the Racing Speed™ wheels also require the use of special pads for carbon fibre developed by Fulcrum® and are supplied with the new Fulcrum® quick releases.
• The weight of the wheels does not include the quick release, and it refers to the lightest configuration. Nominal weight: front: 590g, rear: 770g
Technolgies:
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. As a result there are two spokes which carry out the function of one, slackening and torsion are limited and the transfer of the athlete’s power is much more effective Also, thanks to this system, spoke tensions are balanced more evenly between drive and non-drive sides and the fatigue life of the rim, hub and spokes is lengthened.
• 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. For top models, this is obtained by a special operation on the section of the rim opposite the rim joint. For entry-level models, Dynamic Balance™ is obtained by using two oversized spokes in the section opposite the joint. The result is a wheel with perfectly balanced rotational dynamics.
• Spoke Anti-rotation System : This new system raises the concept of spoking to new heights of performance. 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, and b) will remain in the position that was found in wind tunnel tests to ensure the best aerodynamic penetration possible.
  • Colour: Carbon
  • Wheel Size: 700c
  • Option: 100mm Front - 130mm Rear - QR
  • Speed: 10/11 Speed
 

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