BCD Measuring device.


Peeped this over at Fixed Gear Leeds.


“just knocked this up to help anyone out who needs to find out the bcd of any obscure/unknown chainset. Should work out exactly A4 but I’ve included a scale to double check. Hope someone finds this useful!”
I sure will.

To use it just enlarge the image by clicking on it with your mouse then hit print. It should then print out perfectly on a sheet of A4.

Thanks Sam, good job.

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One Response to “BCD Measuring device.”

  1. Fixup Says:

    A simpler way exists. Simply use a ruler to measure the distance between two adjacent bolts, and then correlate that distance to this chart: http://www.sheldonbrown.com/cribsheet-bcd.html

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