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How do I find out what drive cogs I have and can I run no slip drive cigs with a 121 inch 1 1/4 ripsaw track?
 

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hater on all xrs and freeride owners that drive li
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2.52 pitch and yes you can run extroverts, you may need to trim the front of the rails though if you go with stock size.
 

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You can run extroverts, but you have to trim rails tips, I just did one and I had to trim 2" off rail tips, otherwise they'll hit, if you do front arm relocate maybe less however I didn't do the relocate hence the two inches off the rail tips, In order to get two inches trimmed you have to relocate limiter strap attachment bar and hy-fax mount screws, or if you can just do the sc-4 swap and you won't have to go through all that, except a little involved in the swap also
 
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