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Velosipēdu riteņu komplekts Fulcrum Speed 57 DB 2WF C23 AFS front HH12 - rear HH12/142 USB

Produkta kods: RS-23DC5FRAC3

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Apraksts - Velosipēdu riteņu komplekts Fulcrum Speed 57 DB 2WF C23 AFS front HH12 - rear HH12/142 USB
Since 2004, Fulcrum has developed wheels for bikes with a sole, constant objective in mind: to deliver the best performance that modern technology can offer. A large part of this task is the responsibility of the R&D division engineering team in Italy. However, if you want to create ever faster wheels, you cannot focus solely on test bench results, you also need to gain feedback from top riders and cycling fans worldwide. And this is what we do: we race our bikes during lunch breaks or after work, we test our wheels by pushing them to the max, fitting them to the bikes of world champions, listening to suggestions and comments from the world of racing and from our clients.

Fulcrum Speed 57 are Fulcrum’s step into a new era and dimension, the result of the fundamental synergy between form and function: Form, Function, Fulcrum. An evolution without compromises: the new rims - higher, wider, lighter and more aerodynamic - the new hubs and the new spokes come together in a perfect wheel system.The new wider rims, paired with 28 mm tires, provide a level of performance without compromises, with optimum aerodynamic penetration, rolling resistance and comfort. The rim is constructed with resins and fibres made to Fulcrum specifications where, unlike previous versions, we use a new composite mix of FF100 high modulus unidirectional fibres for the Speed 57. Through numerous experiments we have reached the perfect mix of fibres, which along with their correct layup and an extremely precise control of the resin, allows us to create a product that works in the correct elasticity field, guaranteeing hors catégory performance specifications and a superior ride feel.

  • Tyre type: 2-Way fit (for clincher and tubeless)
  • Tyre size: 28"
  • Discipline: Road
  • ASTM category: 2
  • Weight (Front+Rear): 1495 g
  • Rim material: Full Carbon (FF100)
  • Rim material details: Direct Inmold Matt Finish (DIMF)
  • Profile height: High
  • Rim height: 57 mm
  • Rim width: 29,3 mm
  • Inner rim width (channel): 23 mm
  • Tyre width: From 25 mm to 65 mm
  • Braking system: Disc brake
  • Braking surface/brakes options: AFS
  • Front axle compatibility: HH12-100
  • Rear axle compatibility: HH12-142
  • Front wheel spokes: 24
  • Rear wheel spokes: 24
  • Spokes material: Stainless steel, double butted
  • Spokes profile: Aero, straight pull
  • Nipples: Aluminum, Self-locking
  • Front hub: Aluminum, Low flanges
  • Rear hub: Aluminum, Low flanges
  • Bearings: USB ceramic bearings. Adjustable Cup & Cones bearing system
  • Weight limit (front+rear): 120 kg (rider,bike, equipment and luggage)
  • Freehub (OPTIONAL): SHIMANO HG11 (8/9/10/11-speed) OR Campagnolo N3W OR SRAM XDR

TECHNOLOGY

2-WAY FIT (ROAD): We have developed our 2-Way Fit technology to ensure the perfect compatibility of our tubeless rims with normal clincher types and tubes. 2-Way Fitroad bike wheels are perfectly multipurpose for tackling every situation. Thanks to a special impression in the valve area, the tubes are fitted with the maximum precision while keeping the tube perfectly stable inside the tyre. Housing the valve for tubeless tyres is also risk-free, with the unquestionable advantage that there are never any air infiltrations caused by non-ideal positioning when fitting.

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 our R&D department and we 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 - DIRECTIONAL 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.

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.

AFS AXLE SYSTEM: The Axial Fixing System is the solution developed by Fulcrum to fix the disc brake to the hub. The constraint granted by the butt area of the release mechanism, greater than in familiar standard ones, makes it possible to obtain greater structural rigidity and therefore more precise and powerful braking.

CUP & 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. The adjusting ring lets you pre-load the bearing, so you can eliminate side-to-side play and have optimum adjustment once the wheel is mounted on the frame.

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.

UNDRILLED 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.

ASYMMETRIC RIM: The asymmetry is designed to improve rim tension, balancing the forces from brakes and sprocket cassette.

Produkta detaļas
Preces nosaukums
Velosipēdu riteņu komplekts Fulcrum Speed 57 DB 2WF C23 AFS front HH12 - rear HH12/142 USB
Produkta kods
RS-23DC5FRAC3
Ražotājs
Fulcrum
Svītrkods
8055728110885
Atsauksmes par - Velosipēdu riteņu komplekts Fulcrum Speed 57 DB 2WF C23 AFS front HH12 - rear HH12/142 USB
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Velosipēdu riteņu komplekts Fulcrum Speed 57 DB 2WF C23 AFS front HH12 - rear HH12/142 USB

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