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So. Calif.
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Discussion Starter · #1 ·
Does anyone have a USA- or UK-based source for the curved washers, that are under the mounting bolt of braze front derailleurs?

My web searches just turn up a bunch of garbage.

I want to fabricate a chain anti-drop device, similar to pic below, and want to have a few spare curved washers to experiment with. The bent rod is welded to the curved washer.

TIA.
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How about welding the hardware to a flat washer and mounting it between the existing washer and the mounting bolt.
 

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So. Calif.
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2,800 Posts
Discussion Starter · #5 ·
velodog said:
How about welding the hardware to a flat washer and mounting it between the existing washer and the mounting bolt.
Good idea, I'll evaluate this method ... stainless flat washers and rods are relatively cheap & available.
 

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So. Calif.
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2,800 Posts
Discussion Starter · #6 ·
FatTireFred said:
would a brake washer work?
The ones I usually see, seem too wide to fit in the narrow space , without interferences , on my frameset. Might work on some.
 

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Buy a stainless steel flat washer, and hammer it curved over a mandrel, You might also lay a steel rod of the right radius over the washer and drive them both into a wooden block. The resistance of the wood will form the washer to the rod. Cheap, easy and effective.
 
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