Warren Young wrote:
> A thicker alloy washer suggests it was being treated as a crush
> washer. You cinch the headset and the washer will deform slightly
> and keep everything tight. If the headset was taken apart many
> times, it would be advisable to replace the washer. It's possible
> the thinner early washer was found to be not as elastic as was needed.
I would think a crush washer would require much more force than could be generated by an aluminum alloy headset nut, but then I'm no engineer. However the instructions make no mention of replacement when servicing the headset.
Chuck Schmidt
South Pasadena, CA USA
http://www.velo-retro.com (reprints, t-shirts & timelines)