Sticking to the topic of DA bling:
http://www.cyclingweekly.co.uk/cycling-weekly/new-dura-ace-lets-wirelessly-control-garmin-shifters-307634
"Other features include automatic shifting for pre determined cadence and power outputs."
I seem to remember a gizmo launched last year that did this: queue much grumbling about automatic gearboxes and not being proper cycling...
The semi synchro mode seems like a neat solution, automatically dropping to smaller cogs on the back when you shift the front, so you don't have to manually do it yourself.
@Scilly.Suffolk started
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Sticking to the topic of DA bling:
http://www.cyclingweekly.co.uk/cycling-weekly/new-dura-ace-lets-wirelessly-control-garmin-shifters-307634