ROTOR 3D+ Road Powermeter

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  • ROTOR’s patented POWER meter crankset will improve your training quality and experience. Measuring both cranks arms individually ROTOR Power is able to provide information that other power meter cannot.
    The crank is the result of combining the technology of two reliable and proved products: ROTOR 3D+ cranks and AIP's measurements system MEP.
    ROTOR Power is not just another power meter, in fact it is 2 power meters in one. Adding only 30 grams to the standard 3D+ MAS crank, is the lightest power meter in the Market.
    Compatibility with ANT+ devices, easy battery replacement, UBB30 axle and MAS spider are also benefits of the ROTOR Power.

    The UBB (Universal Bottom Bracket) system allows ROTOR 24 and 30 mm axle cranks to be installed in almost any frame in the market.

    MAS stands for Micro Adjust Spider and in Spanish means "MORE". And this is all about, ROTOR MAS Spider offer even more adjustability options of our Q-Rings. Thanks to its extra holes, ROTOR OCP system is multiplied by two giving the rider more precision to adjust his ROTOR Q-Rings.

    ROTOR’s Twin Leg Concept was created with the idea of a balance crank set. What is the point of an ultra-rigid right crank if the left one is not that stiff? By designing a crank set as a “real set”, not just as two individual crank arms, TLC creates the most blanced crank sets in the market.

    ROTOR’s CNC crank arms are stiffer than the competitors' products due to their Trinity Drilling System. This process drills three full-depth holes from axle to pedal, leaving behind a box- trellised structure, similar to bridges structures. This gives their crank arms superior stiffness without adding more weight to the cranks getting an exceptional stiffness-to-weight ratio.



    Features & Information
    110 BCD
    • 505 g for 170 mm / 517 g for 175 mm
    • 170, 172 & 175 mm
    • 100% CNC machined, T6 7075
    • Aero MAS spider, allowing finer Q-Ring setup
    • 148 mm Q-Factor, 43.5mm Chain line / CR2477B lithium battery / ANT+ communication
    • Ultra stiff 30 mm Aluminum UBB axle
    • Compatible with BSA, ITA, BB86, BB30, BB30 PF, BBRight and BB386 Evo frames
    130 BCD
    • 515 g for 170 mm / 527 g for 175 mm
    • 170, 172 & 175 mm
    • 100% CNC machined, T6 7075
    • Aero MAS spider, allowing finer Q-Ring setup
    • 148 mm Q-Factor, 43.5mm Chain line / CR2477B lithium battery / ANT+ communication
    • Ultra stiff 30 mm Aluminum UBB axle
    • Compatible with BSA, ITA, BB86, BB30, BB30 PF, BBRight and BB386 Evo frames
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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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    Manualinstruction manual
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    Compatibilityinstruction manual
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This item is being handcrafted in Spain