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Old 01-10-12 | 10:10 AM
  #8  
HillRider
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Joined: Aug 2005
Posts: 33,657
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From: Pittsburgh, PA

Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!

Originally Posted by LesterOfPuppets
Not very helpful without parts numbers, though
OK,

105 8-speed is RD-1056
105 9-speed is RD-5501
Ultegra 9-speed is RD-6500
Sora is RD-3300
STX is RD-MC34
Campy Chorus does not have a part number on it but it is a 2006 model and the last of the triple derailleurs before Campy stopped supplying triples in their major name groups.

Does that help?
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