SRAM XX T-Type Downhill AXS 7-Speed Rear Derailleur The strongest DH derailleur available. Period. The SRAM XX DH Transmission rear derailleur is built to take downhill abuse and keep shifting with the precison needed for race day. The XX T-Type DH Derailleur uses SRAM's hangerless Full-Mount interface for a direct, rigid connection that boosts rigidity for improved shifting accuracy and resistance to impacts. Wireless AXS keeps the cockpit clean, with a fully-customizable shifting experience through the SRAM AXS app. As part of the T-Type Transmission system, the derailleur and cassette are designed to work together using Cassette Mapping to maintain constant chain engagement, so power delivery stays smooth through the fastest descents. Features Full-mount, hangerless interface utilizes the UDH system for maximum shifting precision and outstanding impact resistance AXS wireless shifting system for a clean cockpit, and consistent shift performance with endless customizability Cassette Mapping Integration keeps chain engagement constant throughout the cassette for uninterrupted power transfer in any gear Replaceable Skid Plates help protect key impact zones and extend service life Serviceable Architecture with replaceable outer parallelogram link and rebuildable thread-on cage assembly DH-Specific Inline Cage with flat outboard surface for easier cleaning and trailside maintenance Type 4 Damper for quiet operation and excellent chain management through rough terrain T-Type Chain Only built exclusively for SRAM T-Type/Transmission chain compatibility SPECIFICATIONSSpeeds7Drivetrain Configuration1x Shift Technology Wireless (SRAM AXS)Chain Technology T-Type (Transmission only)Max Tooth24RD Minimum (Cassette)24Pulley Bearing Material Steel Cage Material Aluminum | Sram | Xx Dh T-Type Axs 7Spd Rear Derailleur 7 Speed (Battery Not Included)