Trimble cranks

novekili

Senior Retro Guru
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Excuse me for my deep ignorance, but I have never seen a crank like the one on the Trimble (John's I think) I have seen in the random images. Can some guru enlighten my mind with the fire of his (or her, are there any female gurus?) knowledge?
 
Moonhead machine cranks and rings me thinks ,
this was on one of flyingsuperpetis great trimble auctions

I doubt you will ever find a set, quite rare ;)

102713IMG_1384.jpg
 
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