• Assuming the frame is brazed using brass, your silver solder has a much lower melting point, so I wouldn't worry too much about damaging the fillets.

    It wouldn't hurt to order a second disk mount or just a price of steel plate and practice soldering it to something other than a bicycle frame. Just to get an idea of the type of heat you need to focus into the mount rather than the thin tube.

  • good to know, thank you.

    Will have a poke about on ceeway and be sure to have a couple of trials on scrap before attempting anything!


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