Hey Big Boy,
Do it(rotate). It will work fine. But first run your campy headtube
faceing tool lightly so that those bad boys are truly flat and parallel.
Just enough to make sure, or cut enough ,to have them smooth. ( you don't
have to get rid of every little valley and don't take off too much off the
lower lug or you'll change the effective head and seat angles.) Those
little bumps of chrome can throw things off enough. Use cutting oil.
Then use the Campy tool to press um in. NOT wood and the vise. NOT the
ball peen hammer. NOT the Var .Not the Cobra. NOT the Nashbar. NOT the
home made. THE CAMPY. Its good ka ka karma .
With this treatment and exact(I mean EXACT) adjustment = 20+ years use!
In the old days ,I just threw um into the frames from the factory. Got two
thousand miles out of a N.R. once. Not good. I learned.
Enjoy,
Pergolizzi
> So, it's as much a philosophical question as a technical one - I have a
> beautiful restored Cinelli and the Campagnolo headset has a little bump
> in it, right on dead center. Now the headset lower cup and crown race
> are wear parts, they do have a hard life. My options are - either
> replace the cup and crown race with new parts (I have a set in stock) or
> ... Remove both and rotate them in such a way that the worn areas are
> out of phase.
>
> My question is really twofold - first, does simply rotating the worn
> areas really do the trick, and what are the group's thoughts on this
> type of repair - I'll probably ride this bike twice a year for the next
> 20 years and why put a brand new headset in it if just rotating the cups
> will work ? Or is that cheating? Sacriledge?
>
> =====================================================
> Mark Petry 206.618.9642
> Beautiful Bainbridge Island, WA
> mpetry@bainbridgeisland.net
> =====================================================
> "Nothing can match the simple pleasure of
> a bicycle ride"
>
> John F. Kennedy (Sr.)
> =====================================================