The mysterious serial on KH Spirit cranks

Hi everybody,
While fixing a hole on one of my unis, I noticed a number on the inside of my Spirit cranks, in between the holes: #128. I was curious and check the other sets on other uni and I noticed two different ones (#126, #155) and a similar one (#128) but on a different crank size.

I know it is a bit OCD to ask but: is it a serial or a batch run reference? And does anyone has a Moment dual hole crankset with a similar reference?

Thanks for bearing with my random thoughts :stuck_out_tongue_closed_eyes:

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@danger_uni shall know…

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Is it anything like this, which is from some Nimbus Venture Cranks (138s)?


In fact I’ve just realised an amazing thing. These are the cranks that Josh at UDC gave to @Nurse_Ben, who then gave them to you @Siddhartha_Valmont, and then you gave / sent them to Rob Higgins (@LIKWIDART) here in the UK in Feb 2013, and I bought them along with a bunch of Rob’s spares in 2020. So you have owned the crank in the photo, although not with the green highlighting that Rob added to them!
(Info all gained from an old post on the forum from 2013 here)

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IIRC they are batch numbers, not serial numbers.

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