ROTOR NoQ carbon chainring Aero 110mm 5-Arm outer noir

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  • Round Carbon chainring

    With a nod toward cycling´s illustrious history ROTOR wanted to complement its Qarbon range by offering you round Qarbon noQ rings in addition to oval Q-Rings for your compact cranks. Qarbon noQ offer the same performance benefits inherent in traditional round rings, yet lighter and stiffer thanks to high-modulus carbon fiber.

    Weight: 8% lighter than full alloy aero ring, 132g per 52T BCD110

    Sizes: Available in 53, 52 and 50t for BCD110

    Characteristics:
    • 7075-T6 CNC machined structure reinforced with a 3k woven, high-modulus carbon fiber finish
    • Aero design: reinforced rigidity and aerodynamics that increase stiffness by 20%
    • Designed to work with all 9-, 10and 11- speed groupsets
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  • Why Q-rings?
    Biomechanical studies indicate that the effort made with Q-Rings becomes a greater performance and pedaling feeling more rounded and smooth due to their ability to make a better use of the strongest muscle groups while they also compensate the dead spot in pedaling.
    Q-Ring-Round Ring Comparison
    Far from feeling unusual, a Q-Ring feels much rounder than a round ring. A spinscan analysis visualize a cyclists power delivery, with a bar graph indicating the variation from maximum to minimum output and a polar graph showing the rotating shape of the power profile.

    By comparing the left hand Round chainring spinscan and the right hand Q-Ring spinscan below, one can see that Q-Ring graphs are clearly smoother (less variation in torque in the bar graph) and fuller (less of a peanut shape at the weakest point).
    Spinscan
    When one projects a polar plot of a typical spinscan over the varying drivetrain resistance of a 53t Q-Ring during its rotation, the value of a Q-Ring is clearly visible: Maximum power is met with a “56,5t” Time trial sized chainring diameter and minimum power is met with a “50,4” compact size chainring diameter.
    This variation creates the “perfect spin” we all aspire to, that simply isn’t possible with round chainrings. This is because Q-Rings compensate for the weakest zone of the pedalling stroke and maximize use of the most powerful zone.
    Key benefits (based on ROTOR study)
    • All Q-ring TT’s were faster, with an average gain of 1.6 sec and 0.7 km/h (1.8%).
    • All Q-Ring TT’s generated more power, with average increase of 26.7 W (6.2%)
    • Reduced oxygen consumption and heart rate in submaximal tests
    • An immediate performance increase on switching from round rings to Q-Rings
    • An immediate performance reduction on switching back to round chainrings
    • It also appears that the more effort a cyclist exerts, the greater the benefit of Q’s

    Please see this article for more detailed information.
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Ce produit est manufacturé à la main en Espagne