9 speed cassette on Ultegra 6600?



Swoop

New Member
Feb 13, 2004
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On Shimano's website it says that the new Ultegra 6600 hubs are compatible with 9 speed and 10 speed cassettes. Does anyone know if there are special parts to make either of them work? Such as a spacer or special lock ring? I am especially interested in putting a 9 speed cassette on the hubs. Thanks.
 

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