Can I use other SRAM 1x11 derailleurs with 12-speed Eagle™ cassette? September 26, 2017 16:06 No. Related articles What Eagle™ parts are cross compatible with existing 11-speed SRAM components? Can I use other SRAM 1x11 shifters with 12-speed Eagle™? Since the cable pull ratio is the same (X-Actuation) I should be able to use 11-speed X01 or XX1 parts with 12-speed X01 and XX1 Eagle™ parts right? Is the throw (distance) per shift different? Can I use the new Eagle™ chainring with my existing 1x11 drivetrain? Is the 12th gear achieved by pushing the 50-tooth cog over the hub body toward the wheel, or with tighter overall spacing between cogs?