Re: [RBW] Forget bike weight: let's talk about the Portacatena!

2013-01-15 Thread Ron Mc
no question, elegant is the word. I looked at my 122mm dropout spacing - just no room at all for one of these - it's a shame. On Monday, January 14, 2013 2:15:53 AM UTC-6, Mayfly wrote: > > So elegant in design and fabrication. > Poetry as engineering. > Old Campy bits puts a lump in me thro

Re: [RBW] Forget bike weight: let's talk about the Portacatena!

2013-01-14 Thread Jan Heine
The porta-catena was a direct copy of the Nivex chainrest. When Tullio Campagnolo bought two Nivex derailleurs in 1948 from Alex Singer, he probably got the dropouts to go with them. Campagnolo turned the Nivex 90° to work with a bolt-on derailleur hanger and so create the first Gran Sport - th

RE: [RBW] Forget bike weight: let's talk about the Portacatena!

2013-01-14 Thread Marc Schwartz
So elegant in design and fabrication. Poetry as engineering. Old Campy bits puts a lump in me throat and a tear in me eye. Marc en Cruces From: rbw-owners-bunch@googlegroups.com [rbw-owners-bunch@googlegroups.com] on behalf of PATRICK MOORE [bertin...@gm

Re: [RBW] Forget bike weight: let's talk about the Portacatena!

2013-01-13 Thread campyonlyguy
I have one, still in the original package. I've never had a bike with the proper dropouts ... or the space (see below). The PC was reputed to be used by racers on descents--with the chain on the Portacatena, the freewheel would not buzz, and they could zip by their opponents undetected. I susp