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Old 10-06-15, 11:13 AM
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Join Date: Feb 2015
Location: Mission Viejo
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Bikes: 1986 Cannondale SR400 (Flat bar commuter), 1988 Cannondale Criterium DA, 1992 Serotta T-Max, 1995 Trek 970

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My latest RD weapon is an XTR M900/M910. It seems to have a good balance of performance and durability. It is a medium cage to 32t.

For short cage applications that are friction, (or index), Dura Ace 7402 rear derailleur was my weapon of choice for years. I ran it with a 28t with no issues and even tried a 30t, but neither of us were happy with that combo.

These are about as bullet proof as I have found.

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