Shimano Di2 – the dark side of the metrics

This is a short article highlighting some of the wonderful things you can do with Di2. I’m describing what I can do with a 2017 Ultegra R8050 derailleurs and DuraAce R9150 shifters which ARE more capable in the breadth of functionality they support than earlier models. Apologies in advance if you already have Di2 and … Continue reading Shimano Di2 – the dark side of the metrics