The 1x-specific Force XPLR AXS rear derailleur provides incredible chain management, and the straight parallelogram design means there’s no debris or conditions that can put this derailleur into the rear wheel. This 1x-specific unit is strong and made to endure it all.SRAM Force AXS Groupset ReviewKey Features:1x-specific for use with 10-46T XPLR 13-speed cassette and Flattop chains Hangerless Interface and Full Mount attachment allow for the most precise shifting and the ultimate resistance to impact Simple setup with no adjustment screws Replaceable and rebuildable parts