Mechanical shifting at its finest! The NEW SRAM Eagle 90 takes innovation to a whole new level. It features the same Full Mount derailleur architecture as its AXS Transmission counterparts, making it impressively robust. In the rare event of damage, you can easily replace the outer and inner parallelogram links, skid plates, and the tool-free threaded cage assembly, making it our most rebuildable derailleur yet. At the heart of this system is a sleek, forged aluminum DUB crankset with a signature silver T-Type chainring, complete with removable bash guards. The XS-1275 T-Type cassette provides signature Eagle Transmission load-shifting thanks to its full X-Sync technology, while a premium double-click T-Type Actuation mechanical shifterdelivers flawless gear changes. Setting it up is straightforward, with no limit screws, no b-tension, and no guesswork. Just prepare, hang, tighten, and route, and you’re ready to ride. From epic adventures to everyday trails, Eagle 90 Transmission offers a seamless, highly durable mechanical ride experience. Full Mount derailleur architecture (UDH frame required) Replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly Sleek and sturdy forged aluminum DUB crankset, with a signature silver T-Type chainring and removable bash guards XS-1275 T-Type cassette with full X-Sync technology Premium double-click T-Type Actuation mechanical shifter Simple four step setup procedure: Prepare. Hang. Tighten. Route. Featuring no limit screws, no b-tension, and no guesswork SRAM Model ID: GS-90-A1