Featuring the same Full Mount derailleur architecture as it's AXS Transmission siblings, Eagle 90 is unquestionably robust. And for the just in case, the derailleur body features replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly, making it the most rebuildable derailleur we've ever built. At the heart of the system is a sleek and sturdy forged aluminum E-MTB crankset, with a drive-unit specific T-Type chainring. Shifting under load is a signature of Eagle Transmission, and this is made possible on 90 with an XS-1275 T-Type cassette that features full X-Sync technology, and a premium double-click T-Type Actuation mechanical shifter. Hangerless Interface (UDH) frame compatibility only.Available in SRAM/Brose and Bosch specific chainring and crankset offset variants with Gap Cap for a seamless between crank and ring. Forged aluminum crank arms. Includes clip-on guardEagle 90 shift lever features stealth architecture, and MMX compatibility for seamless pairing with SRAM brakes. Cockpit tidying Shift Housing/Brake Hose clip includedDedicated single-click variant Shift lever is built with modern shift ergonomics and a premium textured aluminum lever touchpointBlack XG-1275 features 10-52t range and full X-SYNC technology for best inboard and outboard shifting performance under loadFull Mount Eagle 90 derailleur is the most rebuildable Eagle Transmission derailleur, with replaceable B-Knuckle, Inner/Outer Links, Bash Guards, Bushings, Cage, and Cage AssemblyIncludes GX Eagle Transmission Flattop chain with solid pins, fully approved E-MTB use SRAM Eagle 90 Ebike Group Kit-In-A-Box Mtn Group UPC: 710845911057