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Josh Matthew May 24, 2022


ROTOR MTB axle for your KAPIC crankset

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Dial your drivetrain just the way you like it with the new KAPIC axle that offers a direct-mount interface for optimal chainring placement. Designed for robust, yet smooth engagement, the KAPIC axle allows you to maximize the efficiency of your pedaling power.

When paired with a ROTOR Q Ring, the KAPIC has a knack for getting the most out of each pedal rotation, thanks to its OCP Mount technology that allows for incremental changes a single-degree at a time. This enables you to rotate your chainring until you find the perfect placement, putting out the most power through the strongest part of your pedal rotation, and giving the softest spot a break.

ROTOR makes the KAPIC from T6 7075 aluminum that’s been CNC machined for precision. Its large, 30-millimeter spindle elevates stiffness, so you can crush the miles with unwavering power when you’re busting out XC hot laps, and charging into all-weekend enduro-fests alike.



The axle is available in the following sizes:

KAPIC Aluminum Cranksets

  • L135 – For use with frames with standard 48 mm chainlines
  • L141 – For use with frames with boost 52 mm chainlines

KAPIC Carbon Cranksets

  • L135 – For use with frames with boost 52 mm chainlines
  • L144 – For use with frames with super boost 55-56.5 mm chainlines


The axle is compatible with ROTOR KAPIC and ROTOR KAPIC Carbon cranks and fits 30MM bottom brackets.


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