The XX Eagle Transmission derailleur foundationally changes the relationship between cassette and derailleur. Engineered as integrated, interdependent transmission components, the T-Type derailleur mounts around the wheel axle itself, contacting the cassette directly with a first-of-its-kind Hanger-less Interface.Hanger-less Interface, Full Mount attachment method. Super strong, super light, unrivalled shifting performanceInstall and pair via the reliable and familiar standard AXS set-up and pairing procedureChain management features. Magic Wheel. Overload Clutch. Paired to its purest form for the lightest T-type derailleurIts game-changing Full Mount attachment method creates a far stronger connection and grips both sides of the frame. The new transmission derailleurs feature the same intuitive pairing and set-up procedure as our Eagle AXS derailleurs. It features an overload clutch and a tucked-in profile, removing all but what s needed to win. It accommodates common maintenance and