Originally Posted by
pismocycleguy
Rivendell has the parts, but their selling prices are way out of line. If you shop around you will find the exactly same parts for 1/4 to 1/2 of the Rivendell prices. Buyer beware!

Link please.
I haven't been able to find equivalents any where else, let alone for half price. But even at that price, it's still a better bargain than paying for a HubBubb, which is essentially a metal bar end plug.