Dreesens Bicycles

Steel bicycles by Peter Dreesens

How to: Steel Frame Repair Part 5

Three Sections of the downtube removed.

The frame back in the jig for the mitering of the new tube.  The lug and head tube have been polished in preparation  for silver soldering which requires a ‘clean’ surface to ‘flow’.

The polished bottom bracket socket. The clean surface is necessary for flow of the silver solder (45 percent easy flow), a capillary action in the ‘sleeve’ joint.


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