Old 04-25-18, 12:48 PM
  #7  
Bike Gremlin
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Join Date: Nov 2010
Location: Novi Sad
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Bikes: Custom made on Scott Speedster frame, Custom made on a 1996. steel MTB frame (all but frame changed at least once in the past 20 years).

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Originally Posted by Ghrumpy View Post
The reason to run the chain short is to allow the pulley cage to rotate CCW more for a given chainring, which brings the upper jockey wheel downward, increasing the gap between it and the cogs. This lets you "cheat" the max rear cog rating, but yes, at the expense of making the big-big combo more dangerous.
Thanks for the clarification. I had managed to "cheat" the max cog specs even with a properly sized chain - but there is a limit, of course.
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