The SRAM XXSL Eagle AXS T-Type 12 Speed Rear Derailleur redefines how cassettes and derailleurs work together. Designed as a unified system, this T-Type derailleur attaches around the wheel axle, directly engaging the cassette with its unique Hangerless Interface. The Full Mount attachment method ensures a robust connection, gripping both sides of the frame securely. Like other Eagle AXS models, it offers easy pairing and setup. This derailleur includes an overload clutch and a compact design, focusing on essential features for winning performance. It supports regular maintenance and features the Magic Wheel, a lower pulley that continues to spin even if obstructed. The SRAM XXSL Eagle AXS T-Type 12 Speed Rear Derailleur also boasts weight-saving cutouts in its carbon cage, a replaceable outer link, and a b-knuckle cover in a sleek black finish. Experience unmatched shifting, lightweight design, and exceptional strength. Features Hangerless Interface and Full Mount attachment for superior strength and lightness. Easy installation and pairing with the standard AXS setup. Chain management with Magic Wheel and Overload Clutch for optimal performance. Specifications Speed (RD): 12s Cable pull ratio: n/a Cage (RD): n/a Max tooth: 52 Color (RD): Silver Pulley bearings material: n/a Cage material (RD): Carbon