Originally Posted by
jonwvara
If I understand it correctly, the Wolftooth device allows you to use a larger cog than normal, but doesn't increase the derailleur capacity--that is, it doesn't provide any additional chain wrap. But if you're just looking for a lower low, that may be enough.
That makes sense, as largest cog capacity is a function of the length of the derailleur body/parallelogram, whereas chain wrap (capacity) is a function of the length of the cage.
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