Originally Posted by
bikerjp
On the other hand, I heard that Shimano got help (likely paid for) from SRAM on the redesign of DA 9000. Healthy competition is healthy and not everyone needs or wants electronic shifting. What's next? Electronic pedal assist?
New for 2016: Dura Ace 9001 introduces EPA (Electronic Pedal Assist). EPA senses weak points in your pedal stroke and sends power to compensate. It monitors heart rate, and will intervene when you feel too tired, can't continue, or need a boost getting up that "hill".