Wayne Davidson wrote:
>
> Hi all, has anyone used any of these? You drill the inside dia valve stem
> hole in your rim and fit this plate with round nut/bolt assy in its
> place, it is designed to stop the tyre slipping around the rim and making
> that horrible bump in that area, quite a good idea really, I wish he had
> 2 now. The next set of tubular wheels I get built I will use them on. If
> you have any comments please post to the list, if you want to look at a
> pic go to the auction I bought these from........regards wayne davidson
> Invers NZ.........
Actually its sole purpose is as a counterweight. It counterbalances the rim joint.
The Motorola Merckx raced by Andy Hampsten that I have is equiped with these Ambrosio counterweights.
http://i10.ebayimg.com/
Chuck Schmidt South Pasadena, Southern California
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