Mcfk Roadbike/Cross 55mm Carbon Wheelset - JB - Clincher - 6-Bolt - Tune KingKong / Kong - FW: 12x100mm | RW: 12x142mm

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Description of Mcfk Roadbike/Cross 55mm Carbon Wheelset - JB - Clincher - 6-Bolt - Tune KingKong / Kong - FW: 12x100mm | RW: 12x142mm

Extrem light weight carbon disc wheelset

Lovingly made in Leipzig with Tune KingKong front hub, Kong rear hub and J-bend spokes and the outstanding Mcfk road bike rims with 55mm profile height.

The road wheels are manufactured manually in an elaborate process with meticulous perfection by Mcfk´s own wheel specialist. Before shipment, each wheel is checked again. Perfect true running and the uniform tension of all spokes are of particular importance.

Rim Features

  • Carbon for the rim
    In contrast with aluminium, the advantage of carbon is that it stays in form. Thus, recentering, height and lateral runouts are things of the past. Once spoked properly, the wheel will not change shape or run.

  • Multiple layer design
    No two types of carbon are alike. The layer design is the decisive aspect - the orientation of the fiber is the most important thing in any part made of carbon. For this reason, Mcfk use a complex mixture of fabric and unidirectional (UD) layers which are positioned exactly in the right direction to ensure that they get the best performance of the material and leave no potential unused.

  • Monocoque design
    Avoiding weak points was one of the central focal points in the development. Whereas Mcfks competitors make the rim by bonding several parts together, theire rim is laminated of a single piece and cured. This involves a higher input of time and effort and requires extensive know-how but adds stability, saves weight and produces a homogeneous rim.

  • 26.5 mm outside width
    The wider the rim profile, the higher the lateral stiffness of the wheel. The flexural rigidity increases disproportionately (to the third power) of the width of the profile. Mcfks oversize rim profile on downhill rim level obtains stiffness never before attained with wheels of this weight class.

  • 55 mm height
    The height of the rim profile decides the radial stiffness. Radial loads to which the rim is exposed on uneven ground, by bumps or bottoming are reduced by a high profile. The load on the spokes is hardly reduced, which increases the life of the structure directly. Rims with 55mm height are the perfect compromise of stiffness, aerodynamic design and weight. Agility is retained and excellent rolling properties ensured.

  • 3.5 mm asymmetry
    A very important aspect of the outstanding stability of Mcfks wheels is the distinct asymmetry of 3.5 mm. 3.5 mm asymmetry is the reason why the difference of the inevitably non-symmetrical position of the hub flanges to the hub center is reduced by 7 mm.
    This ensures uniform spoke tension on both sides of the wheel.

  • 18 mm inside width
    Ideal for racing tires and cross tires with a width between 23 and 35mm. Hooks laminated in the inside flank efficiently prevent the tire from coming off the rim at high pressures or in tubeless application.

  • Rim flange with extra stability
    The unique ratio of outside and inside widths also adds extra stability, width and solidity to the wheel flange. Bottoming - the enemy of any light-weight rim - need no longer be dreaded and so the life of Mcfks carbon rims is extended.

  • Laminated spoke holes
    Another very important advantage of their rims is the pre-compacted, laminated spoke holes, which are not drilled. This means no cutting of fibers, high spoke tension and therefore even more stability for the wheels.
    Besides, it gives the rim reliable protection from spoke tear-out in the case of a fall. You simply have to replace a couple of spokes but never the complete wheel.

  • Preformed ball head nipple tip
    To ensure a perfect fit of the nipples in the rim, they need the right nipple seat. Because Mcfk do not drill the spike holes but compress and laminate them, they can shape a perfect ball head in the rim.

  • Tubeless-type rim well
    The advantages of the tubeless technology can now be exploited to the full. Lower inflation pressure provides better grip, traction, comfort and riding pleasure. The rolling resistance is reduced and propulsion guaranteed. Mcfk's rim base is suitable for tubeless ties of all common makes.

  • Integrated valve design
    A special design at the valve seat makes the valve head "disappear". This technology has been developed specially for the application with tubeless tires. This makes mounting the tire with pre-installed valve a lot easier. Even non-tubeless tires are easier to fit.

  • Disc only
    By dismissing the brake flanks Mcfk are moving with the times. The future of deceleration in cycle racing and cross-country events belongs to the disc brake. No heat is transferred, for example, on long, steep downhill tracks - safety profits. Scraping noise and reduced braking in rain and muddy ground are things of the past. The rime does not wear and you can enjoy it for a long time.

  • Maximum system weight: 125 kg!


Tune hubs - 24 holes

KingKong front hub:

The proven front wheel disc hub by Tune. Very stiff hub including a unique construction, which takes care that there is no deadlock of the bearings even at maximum clamping force. The King consists of a CNC-machined, one piece design hub body and 2 single-row radial bearings.

Kong rear hub:

Light, tough and pretty. The proven rear wheel disc hub by Tune. Very stiff hub including a unique construction, which takes care that there is no deadlock of the bearings even at maximum clamping force. The Kong consists of a CNC-machined, one piece design hub body, a 17mm aluminium axle, pawls of titanium and 4 single-row radial bearings.

Single Wheels or alternative compositions available on request!
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Fact Sheet of Mcfk Roadbike/Cross 55mm Carbon Wheelset - JB - Clincher - 6-Bolt - Tune KingKong / Kong - FW: 12x100mm | RW: 12x142mm

Product Name: Mcfk Roadbike/Cross 55mm Carbon Wheelset - JB - Clincher - 6-Bolt - Tune KingKong / Kong - FW: 12x100mm | RW: 12x142mm
Manufacturer: Mcfk
Item Code: MCF379572
Year: 2018
Material: Carbon Prepreg
Weight: approx. 1400 gram (manufacturer information)
Rim: Mcfk road rim
Rim height: 55mm
external/internal rim width: outer: 26,5 mm
inner: 18 mm
E.T.R.T.O.: 18-622
Spokes: Sapim CX-Ray
Nipples: Sapim Polyax
Spokes number: 24
Hub axle system: Front: 12x100mm
Rear: 12x142mm (X12)
Fitting type of tire: clincher
Purpose: Road, cylcocross bike
hub: Front wheel: Tune KingKong
Rear Wheel: Tune Kong
Fitting for shifting: Shimano/SRAM 9-/10-/11-speed (HG-E)
11-speed SRAM XD (XX1, X01, X1)
Freehub: HG-E
SRAM XD
Max. permissible total weight
(rider + bike):
125
Color: black matte
Disc brake standard: IS-Standard. 6-Bolt
Manufacturer page: http://www.mcfk.de
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Item includes
Still 1 in stock in stock, delivery time 1-2 days Mcfk Roadbike/Cross 55mm Carbon Front Wheel - JB - Clincher - 6-Bolt - Tune KingKong - 12x100mm
Selection: Mcfk Roadbike/Cross 55mm Carbon Rear Wheel - JB - Clincher - 6-Bolt - Tune Kong - 12x142mm
Still 1 in stock in stock, delivery time 1-2 days Freehub Shimano/SRAM 9-/10-/11-speed (HG-E)
Currently not in stock Delivery time 5-7 days Freehub 11-speed SRAM XD (XX1, X01, X1)
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