Eagle 90 Mechanical Transmission offers precision, strength, and tool-free serviceability
What Our Gearhead® Experts Are Saying:
"Eagle 90 is the mechanical upgrade I didn’t know I needed. The shifting feels refined and powerful under load, and the installation is a breeze. I also love how everything is designed to be rebuilt in the field—it’s clearly made with serious riders in mind."
The Eagle 90 Transmission system is SRAM’s answer to those who crave the confidence of full-system integration but prefer the tactile simplicity of mechanical shifting. With a derailleur mounted directly to the frame via the UDH interface, Eagle 90 provides exceptional alignment and resilience. Replaceable outer links, bash guards, and a threaded cage assembly make long-term ownership serviceable and sustainable.
The included crankset is forged for strength and tuned for modern E-MTB systems, while the cassette’s 10–52T spread and chain's Flattop profile ensure smooth and silent performance even under max torque. With intuitive installation, minimized maintenance, and ultra-clean shifting, Eagle 90 proves mechanical still has plenty of bite in the transmission era.
Details
- Mechanical Eagle Transmission for riders seeking wireless-level performance without electronics
- UDH Eagle 90 derailleur is fully rebuildable
- XS-1275 T-Type cassette (10–52T) offers seamless shifting under load with X-SYNC tech
- Premium mechanical shifter with ergonomic design and MMX brake compatibility
- Crankset available in SRAM/Brose and Bosch-specific offsets with forged arms and clip-on guard
- DIY-friendly 4-step setup process—no limit screws, b-tension, or adjustment guesswork
- Includes GX Flattop chain approved for E-MTB use with solid pins
- Item #SRMD1BD
- Rear Derailleur
- Eagle 90
- Shifters
- [right] Eagle 90
- Crankset
- Eagle 90 ISIS
- Crank Arm Length
- 160mm, 165mm, 170mm
- Chain
- GX T-TYPE 126
- Cassette
- XS 1275 T-TYPE
- Sprocket Range
- 10-52t
- Manufacturer Warranty
- limited 2 year
- Activity
- e-MTB
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