I think 19t is the smallest available gates cog but it depends on hub configuration. Some styles have a 24 or 28t minimum
Yea the Di2 motor forces a larger 28t sprocket with an inboard offset that fucks up the chainline.
or beltline. Or something.
@Howard started
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I think 19t is the smallest available gates cog but it depends on hub configuration. Some styles have a 24 or 28t minimum