On Mr. Brown's web site he mentions that you can usually sand down a stem's quill to eliminate .2 mm of aluminum. He doesn't seem concerned that that would mean eliminating 1/5th of the metal at the expander bolt to accomplish it (by my estimation). Has anyone done this with good results? (Not causing a dangerous crash from home spun re-engineering. I have a stem that would go nicely on my French headset and I might try this if the list thinks it's not too awfully dangerous.
Garth Libre in Miami Fl USA