Carb7008@cs.com wrote:
> Hi Tom,
>
> In my hand, I'm holding a Shimano Ultegra sealed BB kit. The crank-end of
> the cartridge is threaded (english) with a separate Al ring to secure the other
> side.
>
> One way I can see that this may possibly work, economically, is to purchase
> readily available cartridge (Shimano 105?, etc); mill, grind or lathe-cut
> existing cartridge threads; machine Cr-Mo (or other strong alloy) rings that could
> securely locate cartridge within a range for best chainline. Is this the way
> Phil Wood does it?
>
>
> I think there would be alot of interest, both for french and swiss, maybe
> italian to boot. Problem may be that a price of $50 would apply to large
> quantities only (hundreds, perhaps thousands) and I'm not sure if demand would
> warrant that. If it did, one would think current manufacturers would see the market
> potential. Phil Wood apparently does but not at $50. With the economy in
> free-fall, machine work may not be the limiting factor.
>
> Good luck if you pursue this and I'll take one if only as a spare.
>
> Jack Romans
> Sacramento, CA
Kinex produce bottombrackets with a pressed on rh cup. Remachining a batch of Italian cups to French probably isn't a big deal
-- mvg
Marten Gerritsen
Kiel Windeweer
Netherlands