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Campagnolo C-record NOS pulley pair. Cool ball bearings. Folks often hot-rod other derailleurs with these - read details

 
 
 
 
 
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$66.00
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A very sought-after Campagnolo C-record NOS pulley pair.  Cool ball bearing design.  Folks often hot-rod other derailleurs with these.  Very important - these have been sitting on a shelf for over 30 years so the grease in them is totally dry.  To make these work, we remove the covers and drip in tri-flow.  The if not running free, use a 13mm wrench on the flats of the cone and that should get things moving.  If you're motivated, you can take them apart and do a formal soaking and re-grease.

 

We know that folks like to use these on all sorts of derailleurs.  But be aware there is a little bumpy protrusion that is designed to nest into a C-record cage plate to hold one cone in place while you adjust the other.  You'll need to flatten this bump if you put the pulley's into a Campy NR/SR as they don't have a spot for the bump to nest into (only one coverplate on each pulley has it).  We suppose you could file a little indent into your derailleur's cage plate, but we get itchy at the idea of modifying parts.  Also note that the C-record pulleys are about 1mm narrower than NR/SR pulleys.  So the cage plate bolts will protrude a bit.  You'll need to make sure the bolt's end is clearing the spokes ok.  This is more of an issue with smaller size max rear freewheel cogs.

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