Can I adjust the rear derailleur shift speed? May 23, 2019 17:53 Updated No. However, the rear shifting automatically increases slightly when a front derailleur is not paired into the groupset. Related articles Can I digitally assign different functions to the buttons (e.g. move the derailleur outboard with a left shifter click)? What eTap AXS™ system information is made available to be displayed on ANT+ or BLE compatible GPS head units? Can I set up my shifters to shift the front derailleur automatically for fully sequential-style shift logic? Are the power indicator lights set to come on at the same charge levels as 11-speed eTap™? What are those levels and how many hours of riding can I expect to get on a full charge? How many gear selections are available with an eTap AXS 2x (two-by) drivetrain?