Is that not a generation behind the M9120, being -20 on the model number?
Just Shimano being odd?
91xx is the series. xx00, 10, 11, 20 etc are indivual designations of the varying options. So the 9120 derailleur is for 2x12
@Dammit started
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Is that not a generation behind the M9120, being -20 on the model number?
Just Shimano being odd?