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Sram sx5 8speed rd upgrade?

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Sram sx5 8speed rd upgrade?

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Posted: Oct 17, 2013 at 12:24 Quote
I have an older trek fuel 70 and broke the rear derailluer. I want to upgrade the sx5 to x7 but the local shop said only thing avail for an 8 speed was a x4. sram showed on web site an x7 for 8/9 speed, would this work?

Posted: Oct 19, 2013 at 14:13 Quote
I'm pretty sure it would if it is just the rear derailleur you are replacing. I am running a sram x5 8/9 speed, very similar to the x7, on an 8 speed cassette and shifter and it works fine. It is the shifter that controls how much the derailleur will move, so if it is a 8 speed shifter it can move the mech to 8 positions with larger movements in between gears compared to a nine speed. Hope this wasn't too confusing and actually helps. Smile


 
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