Old 07-15-19, 06:03 PM
  #68  
Caliper
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Originally Posted by Spoonrobot View Post
I don't believe there's a set-up that can accommodate that many shifts within one pedal stroke, unless you're slow rolling at 40 rpm or something. That's a stretch even for Di2 with a new chain.
It's all done as one shift, not separate ones. Again I said cadence disruption, I'm not sure how long the entire shift takes but there's only one disrupted pedal stroke.

Going up push both paddles in simultaneously. The chain is around the gears in a half turn of the crank and a half turn of the wheel. Since you've moved both at the same time the cadence either stays even or moves as much as a typical single cog change.

Going to the small ring it's 2-3 clicks on the right with the left going at the same time as the first rear shift. Three fast clicks of the shifter takes less than a second and again the chain is where it's going very quickly. There's a touch of freewheeling in the middle of the shift as the derailleur catches the chain tension up but that's it.
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