Thread: Thread for Specialized Sirrus
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Old 07-04-19, 10:01 PM
  #825  
markjenn
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Originally Posted by GravelGurty
The spider itself is direct mount to the crank so you can remove it, and swap in the OE ring if you want.
The Force chainring is 130 BCD (i think) to the spider.
Interesting. Thanks for info.

- Mark
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