New answers tagged downtube-shifter
Since you have a relatively "flat" spot there (at least flat in the longitudinal direction) you have two options: You can epoxy on a replacement boss I did this on a recent Al frame with the exact same problem. I bought a metal (steel) cable boss from the local bike builder and epoxied it myself. I used Loctite's Metal/Concrete epoxy since it's designed ...
Good epoxy is known to bond metals, especially aluminum very well. Make sure the surfaces are clean and slightly rough for a better bond. I use the same two part epoxy hobbyist aircraft builders use for fixing pretty much anything, including broken ceramic mugs, small broken metal things and even as an insulator on the bottom of PCBs to prevent any shorts. ...
You can take it to a welding shop and they will be able to weld it.
For some people who want to spend the money and time customizing a sweet vintage ride, I'd say go for it! It's certainly a fun experience. You don't need a new wheel or hub if you're running freewheel. Index shifting works fine with freewheel. What I did with my 6spd was keep the friction shifters for the front and install a SRAM x9 trigger shifter next ...
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