Bike Forums - View Single Post - Rear cassette compatability problem?

08-05-13 | 06:49 AM

#4

chikatetsu

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Joined: Jul 2007

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Quote:

Originally Posted by jimc101

Sounds like the issue is with the RD, and it's capacity, not the cassette, if probably have a short cage (SS), when you need a medium cage (GS). To work out exactly what you need, you need to know the number of teeth on the cassette & crank, see here for more details http://sheldonbrown.com/harris/derailers-rear.html

Thanks for the reply. I thought that all RDs were the same size-wise but maybe I'll need a new one. It would be a shame to have to change the RD as it's DuraAce, though. And thanks for the Sheldon Brown link - I haven't used that site in years.

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