Bike Forums - View Single Post - 2014 surly ICT - can I upgrade the casette?
Old 02-21-20, 07:44 AM
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Originally Posted by Happy Feet View Post
I managed to put an10 speed 11-42 SunrRace in place of the 11-36 in my Fatboy with an X5 long cage derailer without the wolftooth extender although I planned to use one if I couldn't. It was such a good straight across swap I left it alone. I plan to replace the chain in the spring when the salting is over and may add a couple of links then but it climbs and shifts fine as is. I did not even need to adjust the indexing.

P7030815 by dc460, on Flickr
aren't all SRAM 10 speed capable of handling 42T? I don't have an X5 derailleur but for X9 and X0, I primarily use 40T and 42T cassettes
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