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Old 06-15-14, 07:26 AM   #1
bres dad
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SRAM X5 9 vs. 10 speed compatibility

I've got a '13 Specialized RH that has 9x3 SRAM X5 on it (drive train swap w/ my wife's bike... long story). I'm interested in converting it to 10 speed but I'm wondering if the existing derailleurwill work on a 10 speed cassette. Obviously I need a different shifter but hoping the existing derailleurwill work. Not near the bike right now to look and see specifically what model X5 it is.

Last edited by bres dad; 06-16-14 at 05:16 AM.
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Old 06-15-14, 11:35 AM   #2
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It probably won't. I'm pretty sure 9spd and 10spd Sram derailleurs have different pull-ratio requirements because of different anchoring points.

Originally Posted by sp00ki View Post
Using a nicer sealed bearing headset vs a $10 set is like throwing a frisbee vs a dodgeball.
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Old 06-16-14, 01:21 AM   #3
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Yep 9 to 10 speed means a new rear derailleur with Sram or Shimano.
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