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CADEX Aero 4-Spoke Disc Tubeless Wheelsystem


From the winds of Kona to training rides in unpredictable conditions, the CADEX Aero 4-Spoke combines proven aero performance with confident handling and control. The added crosswind control of the 4-spoke design makes it a top choice for pros like Ironman World Champion Kristian Blummenfelt. Featuring superlight and stiff carbon rims shaped by exhaustive wind-tunnel testing and data, an all-new CADEX Low Friction R3-C40 aero hub with ceramic bearings, and 22.4mm inner width hookless rims, it delivers best-in-class aerodynamics, unbeatable efficiency, and total control in all conditions.
Current price: 43 999 + 49 999 Kč / 1 799 + 2 099 €


Rim Material
Ultralight 18K Full Composite
Rim Height
50mm (front), 65mm (rear)
Rim Outer Width
30mm (front), 32mm (rear)
Rim Inner Width
CADEX R3-C Hub, Centerlock (front), CADEX R3-C40 Hub, 40T Ratchet Driver, Centerlock (rear)
Hub Compatibility
SRAM XDR / Shimano HG / Campagnolo
CADEX Ceramic
100x12 Thru Axle (front), 142x12 Thru Axle (rear)
Weight w/o valve
880g (front), 1047g (rear)
2 Years
Intended Usage


CADEX Ceramic Bearings

Durable, ultra-hard ceramic bearings further increase hub rolling efficiency with lower rolling resistance and 1.5x smoother action than steel bearings.

CADEX Hookless Rim Technology

A broad inner rim width and durable continuous carbon fiber structure create a rounder tire shape for superior grip and handling plus added sidewall support for cornering, all without compromising on weight.


CADEX R3-C40 Aero Hub

Aero optimized hub features 3rd generation CADEX Low-Friction internals with CADEX ceramic bearings and 40-tooth ratchet engagement.

Super Aero Rim Shape

Super Aero Rim Shape features wider external dimensionsfor a maximum aerodynamic advantage in the most common wind directions.

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