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Discussion Starter · #1 ·
ok as u guys know my 8 speed x-5 derailleur broke. so i orderd these parts

Shimano SLX M670 Shadow 10 Speed Rear Mech


Shimano XT M780 10 Speed Trigger Shifter


Shimano SLX HG81 10 Speed MTB Cassette


Shimano Ultegra 6600 10 Speed Chain



i already had upgraded my crankset to:

Shimano SLX M665 Crankset w/ Bash Guard 8/9 Speed


now the mech at the LBS says i might need a chainring...??? any idea what i should get thanks!!
 

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Fat-tired Roadie
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18,453 Posts
Try the new chain on the existing chainrings. See if it will fit over the teeth and also if it can fall between rings.

My expectation is that your existing crank is fine. If it's not, you have a few options, depending on what the problem is.
 
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