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Thanks for asking

Drone 5200 said:
What's the difference between "maximum sprocket" and "total capacity" for a derailleur?

Shimano's website says the RD-7700 and RD-7800 have a max sprocket of 27T and a total capacity of 29T. While the RD-7703 has a max sprocket of 27T and a total capacity of 38T.

What is "total capacity"?
I was needing to know the same thing.
 
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