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  • I'm trying to sell the wheel below, but someone on the UK TT Facebook group is saying it's not CTT legal as the holes are not more than 45% of the surface area.

    Are they right? How would I find out? What measurements would you need to find out for me?

  • What wheel?

  • The Chinese carbon clincher tri-spoke?
    Does look borderline tbh.

    Easiest way to measure is to take a photo with the axle at the centre of the photo and with a plain background. Then use photoshop to cut out the wheel circumference and up the contrast, then count the black vs background colour pixels.

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