AXS features a two-button design that transforms the crucial act of rider inputs into a more personal experience for all your AXS controls XX SL TType Eagle Transmission derailleur is more robust thanks to its hangerless interface and features familiar technologies like an overload clutch and AXS pairing process XX SL Transmission cassette is a major reason why Eagle Transmission offers the bestever inboard and outboard shifting performance under load XX SL Transmission Cranks are maximized for title winning stiffness and feature the remarkable new XX SL Eagle Transmission (TType) direct mount chainring Groupset includes: XX SL Eagle TType AXS DUB 55mm chainline 148mm spacing boost crankset w/34t direct mount chainring AXS POD Ultimate Controller w/ Clamp XX SL Eagle TType AXS rear derailleur w/ battery XX SL Eagle TType XS-1299 10-52t cassette XX SL Eagle TType 126 Link 12-Speed Flattop chain Battery charger and cord