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Old 03-24-2013, 11:09 AM
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VAV
 
Join Date: Nov 2011
Location: RI & Boston
Posts: 2,803
Question Ultegra RD 6503 max tooth capacity

Hello forum; any idea what is the biggest cog I can run on a 9 speed 6503 RD?
FD is 6503 and crankset is also 6503 30-40-50 FWIW.
Thanks a bunch
V
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