Does the eTap 2x11 front derailleur know where in the pedal stroke I am and time the shift accordingly for optimal shifting? December 03, 2019 16:56 Updated No. The derailleur is not intuitive, shifts happen mechanically when you activate the shifter. Related articles Does SRAM make a head unit that is compatible with SRAM RED eTap? Can the SRAM RED eTap 2x11 components communicate with my iOS or Android device? Can I set up the SRAM RED eTap 2x11 system to do sequential shifting? Will SRAM make periodic eTap 2x11 firmware updates? Can I program the shift speed? Comments 0 comments Article is closed for comments.