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  • Product description

    The first Wheel-Tyre System that flows as a single unit for time trial, triathlon and flat races

    The Wheel-Tyre System with the lowest drag
    NACA-inspired rim-tyre profile, 80mm deep dish rim with CX01 blades, to unify the tyre and rim Aero flange hubs and bladed spokes ensure maximum aerodynamics

    Exceptional stiffness and low weight
    80mm extra-wide full carbon rim profile 16/20 stainless steel double-butted spokes Aluminum axles and large bearings offer incredible stiffness with unbeatable lightness

    Endorsed by the fastest professional teams and triathletes
    Garmin-Cervélo, Katusha Fred Van Lierde, Tim O-Donnel, Mike Aigroz...


    Material: 3K carbon fibers
    Height: 80 mm, Width: 27 mm with CX01 groves
    Drilling: traditional
    Brake track: carbon
    Valve hole diameter: 6.5 mm
    Tyre: tubular
    ETRTO size: 28" tubular


    Material: steel
    Shape: straight pull, bladed, double butted
    Nipples: aluminum, ABS
    Count: front 16, rear 20
    Lacing: radial front and rear non-drive side, crossed 2 rear drive side


    Front and rear bodies: carbon center tube and aluminum flanges
    Axle material: aluminum
    Adjustable sealed cartridge bearings
    Freewheel: FTS-L steel


    CXR Ultimate GripLink (front) & PowerLink (rear)
    To be used with CX01 Blades (CX01 Blades are not compatible with any other tyre)
    Specific aero shape for Cosmic CXR rim profile
    Front and Rear Tread: Single Compound
    Casing: 210 TPI
    Breaker: Polyamide
    Dimension: 28"-23


    Color: Black only


    Freewheel: Shimano/Sram or Campagnolo, convertible to XD-R with optional driver body
    Freewheel: Shimano/Sram, convertible to Campagnolo with optional driver body
    Front axle: Quick Release only
    Rear axle: Quick Release only

    Delivered with

    BR601 quick releases
    CXR specific carbon brake pads
    Valve extender
    Multifunction adjustment wrench
    User guide


    Award winning

    Rim profile

    Cosmic CXR 80 Tubular

    Intended use

    ASTM CATEGORY 1 : road only
    For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels don't exceed 120kg, bike included
    Recommended tyre size: 23 mm
    Max. Pressure: 23mm 8.7 bars - 125 psi


    brake type: carbon
    brake type: rim
    field: flat
    rim profile: high
    rim: carbon
    tyre type: tubular
    weight: 1601g to 1700g

    Efficiency & rigidity




    We worked with our pro team and our fastest triathletes to develop the CX01 technology used on the CXR Ultimate 80 T. Together we found the marginal gains needed to take this from being just a wheelset, to creating a unique wheel and tire combination where the system is faster than the sum of its parts. Firstly the NACA (National Advisory Committee for Aerodynamics) defined the airfoil profiles that would offer the best possible aerodynamic performance. This set the basis of our CX01 technology, so we integrated the rim and the tire together and unified them with the CX01 Blades to perfectly match a NACA airfoil profile. As a result of this pure aerodynamic NACA profile, in some wind conditions (14 to 18° yaw angle), the wheel-system even generates forward lift and is able to accelerate on its own. CXR Ultimate 80 T doesn’t only offer the lowest possible drag, but also generates very low and stable side forces for totally predictable steering. It’s the wheel Fred Van Lierde chooses to fight the strong side winds of the Hawai Ironman even when his competitors are choosing 60mm. The CXR Ultimate tubular tire tread pattern also plays its part thanks to its ability to develop a very thin layer of air over surface of the tire. This “boundary layer” minimizes turbulence as air flows over the tire. Low friction bearings, smooth hub shapes and slender spokes complete the marginal gains and propel our most powerful road and triathlon racers to victory.

    Weight Front   725
    Weight Pair   1630
    Weight Rear   905
    Weight Tyre 700x23   230

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