ROTOR 2INpower crankset AERO MAS

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  • 2INpower Aero

    In the war against wind resistance, you need every available ally. 2INpower Aero provides the same features as 2INpower but with a closed aero spider to shrug off bullying wind. The aero spider also brings MAS (Micro Adjust Spider) technology to help you micro adjust the orientation of your Q-Rings by approximately 2.5 degrees to fine-tune your pedal performance.



    Characteristics:

    • Spider: 110 BCD MAS
    • Crank arm lengths: 165/170/172.5/175mm
    • Battery specifications: Rechargeable Li-ion + USB cable
    • Estimated battery life: 250 hours riding time
    • Water resistance: IPX7
    • Strain gauges: 4 gauges in the axle and 4 in the right crank arm
    • Wireless technology: ANT+, Bluetooth Smart
    • Weight without batteries: 172.5 110BCD = 645g
    • Data transmitted: power, cadence, balance, torque effectiveness and pedal smoothness for each leg via standard ANT+ protocol. L/R independent or combined pedal analysis using Optimum Chainring Angle (OCA) and TORQUE 360 metrics in the User Software environment
    • Head unit: ANT+, Bluetooth Smart, compatible head units
    • Analysis Software: Trainingpeaks.com/ROTOR
    • Crank Software: ROTOR 2INpower User Software
    • Q-Factor: 148 mm
    • Chainline: 43.5 mm
    • Material: 100% CNC-machined, 7055 aluminum alloy
    • Compatibility: bottom brackets BSA, ITA, BB86, BB30, BB30A, PF30, BBRight, BB386 Evo, oval and round chainrings, 110 BCD, 9-, 10- and 11-speed



    ROTOR - Technologies

    2 InPower - User Manual

    User Software Manual

    Get “more” out of your Q-Rings

    “MAS” stands for Micro Adjust Spider and means “more” in Spanish. That’s what this technology is all about: more adjustability to further optimize your Q-Rings. Additional bolt holes allow for intermediate positions between a Q-Ring’s existing Optimum Chainring Positions (OCP).
    A standard crank and Q-Ring combination offers approximately 5 degrees of OCP adjustment. MAS together with Q-Rings offer half positions of approximately 2.5 degrees of OCP adjustment. This means you can micro adjust the orientation of your Q-Rings to fine-tune your pedal performance.
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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.
  • Attachements
    Front derailleur adjustmentsinstruction manual
    517.09 KB
    Which bottom bracket do I need?instruction manual
    894.62 KB
    Which bottom bracket do I need?instruction manual
    894.62 KB
    Q-Ring adaption guide / Starting with Q-Ringsinstruction manual
    194.47 KB
    Q-Ring adaption guide / Starting with Q-Ringsinstruction manual
    108.76 KB
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This item is crafted in Spain