Originally Posted by
Andrew R Stewart
IFAIK all the indexed Shimano rear ders (excepting the first gen DA and current 10 spd versions) share the same cable pull spec. What has changed is the stroke the rear der can go through. The ders speced to fewer speeds might not handle the larger number of cogs. But the indexing on the cogs that are able to be attained should be the same. Andy.
Thanks for your help. I'm just changing derailleurs, not clusters, so if the RSX and Deore cable pulls are unchanged, then the new Deore should index the 7-speed like the old RSX did.
- Mark