Today I machined a plug to repair the badly-designed, badly-assembled, and destroyed headset clap of my Dahon Mu XL. I ended up using Sulaiman’s lathe because I didn’t have a 12mm square bit for my lathe’s three-jaw chuck. doh. Have a small list of wrenches and keys I need to get for my Shanghai lathe.

It was a good first project. I used aluminum which Seetoh told me is a good metal to start machining with. As well, the plug required a bunch of different techniques. Facing the aluminum bar, turning it to diameter, boring, drilling with a tailstock drill, and even using the lathe as a jig for my helicoil tap.

The epoxy is setting now. Presumably tomorrow I’ll be able to install the pins and then the headset will be back to good. I need this finished so that we have two bikes in Italy (just 2 weeks away).

Dahon Headset Repair - a set on Flickr

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