No wow factor; no power meter; crank finish wears quickly; chainring and cassette coating wear quickly; adjustment screws slow down install Shimano’s new XTR Di2 M9200 wireless electronic drivetrain ...
Shimano's revolutionary Dura-Ace Di2 electronic drivetrain has been highly touted in racing circles for its remarkable shift performance. Now it looks like it's been accepted by the mostly non-racing ...
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