Simplex front derailleur

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trekbasso

Member
Hi all, any tips on figuring out the true diameter of a Prestige der, the Delrin body? I have looked at several on the bay and when I ask the seller to measure they always seem to come back with "oh, it is 27.0 not 28.6". I am waiting on one from France but until I have it in my hands I won't believe it. He said yes it is 28.6.
I sent two back and broke one trying to make it fit. Not a good idea with 50 year old plastic.
Thanks
Tom in Wellington, Co.
 
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