Rotor 2INpower power meter review

The Rotor 2INpower power meter is a bottom bracket and crank arm based power meter that measures independent right/left leg power. Here is our review.

Cycling Weekly Verdict

The Rotor 2INpower is a big improvement over the previous, single sided INpower unit. If you are after a dual sided power meter for a single bike with a compatible bb, this is a good option and is competitively priced for what it offers.

Reasons to buy
  • +

    Double sided measurement

  • +

    USB Rechargeable

  • +

    Can support non round rings

  • +

    Bluetooth and ANT+ connectivity

Reasons to avoid
  • -

    Difficult to swap between bikes

  • -

    You probably have to run a mixed groupset

  • -

    Not compatible on all bikes

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    USB Recharge cover could be better designed

You can trust Cycling Weekly. Our team of experts put in hard miles testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

Prounounced ‘Twin Power’, the Rotor 2INpower is a chainset based power meter that can measure independent left and right leg power. It is Rotor's top of the range power meter and is used by Dimension Data amongst others.

>>> For more information on power meters click here

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Oliver Bridgewood - no, Doctor Oliver Bridgewood - is a PhD Chemist who discovered a love of cycling. He enjoys racing time trials, hill climbs, road races and criteriums. During his time at Cycling Weekly, he worked predominantly within the tech team, also utilising his science background to produce insightful fitness articles, before moving to an entirely video-focused role heading up the Cycling Weekly YouTube channel, where his feature-length documentary 'Project 49' was his crowning glory.