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Pre 1930's Bike Fastener Finish
#754581 10/30/18 5:27 pm
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I've got a 1929 Douglas and a 1920 Clyno that I am in the process of restoring. For my other restorations (1935 and later) I've always had the various fasteners on the bikes cadmium plated. For the older bikes, is cadmium an original finish or was something else used?

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Re: Pre 1930's Bike Fastener Finish
cycarmark #754584 10/30/18 5:53 pm
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A plain nickel plate was used in the 20's 30's.

This will be a good resource for you

https://www.billymegawatt.com/uploads/6/8/4/6/6846461/the-vintage-motorcyclists-workshop.pdf


Re: Pre 1930's Bike Fastener Finish
kommando #754593 10/30/18 6:46 pm
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Fantastic resource, just spent a couple of minutes looking through it and found some answers to other questions I had.

Thanks!

Re: Pre 1930's Bike Fastener Finish
cycarmark #754683 10/31/18 4:17 pm
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Velocette (and I'm sure some others) used black finished hardware prewar. There are various processes available to achieve this finish (parkerizing, japoinca, etc).


Laurence Luce
Re: Pre 1930's Bike Fastener Finish
cycarmark #754708 10/31/18 10:02 pm
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The gun company Brownell's has in their catalog the chemical blacking kits, sometimes called parkerizing, used on many bike fasteners.

Re: Pre 1930's Bike Fastener Finish
cycarmark #754766 11/01/18 5:39 pm
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Very interesting, I'll have to check closer on the bikes, I'm also working on a 1921 Cleveland and will have to check for black finished hardware.

Re: Pre 1930's Bike Fastener Finish
cycarmark #754776 11/01/18 6:39 pm
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My 27 EW duggie (still a project) has nickel plated parts all over it, and some have survived quite well
- it was poorly stored at some stage in its life.

I bought a nickel plating kit to do all the small fittings, but have yet to use it.
Others have had quite good results with these, you can leave the parts in and get a good heavy layer of nickel,
like the originals had.

Chrome didn't appear on most bikes until the early 30s, don't be tempted to go down that path ?
And yes, some bikes did have it in the very late 1920s, but you can count them on the fingers of one hand.
Its splashed all over the brochure when it did happen.
Douglas wouldn't be one of them (?).

Re: Pre 1930's Bike Fastener Finish
cycarmark #755176 11/05/18 7:59 pm
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Looking closely at some of the fasteners on the Douglas, they appear to be nickle plated. Many more have been painted over as part of an older "restoration".


Moderated by  Jon W. Whitley 

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