SRAM Eagle 90 E-MTB Groupset
Mechanical Shifting, Maximum Performance
The SRAM Eagle 90 is the ultimate mechanical E-MTB drivetrain. Built for riders who demand durability, precision, and effortless control, Eagle 90 combines robust Full Mount derailleur architecture with SRAM’s proven X-SYNC technology. Its rebuildable design and intuitive setup make maintenance simple while keeping you riding longer and harder.
Why You’ll Love It
Shift with confidence under load thanks to the XS-1275 T-Type cassette and the double-click T-Type Actuation mechanical shifter. Eagle 90’s forged aluminum crankset with drive-unit specific T-Type chainring is tough, lightweight, and designed for E-MTB power delivery. Fully compatible with UDH frames, the derailleur’s replaceable links, skid plates, and tool-free cage assembly make it the most serviceable Eagle Transmission derailleur ever.
Key Features
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Rebuildable Full Mount Derailleur: Replace B-knuckle, inner/outer links, bash guards, bushings, cage, and cage assembly
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Durable Crankset & Chainring: Forged aluminum with T-Type chainring, compatible with Bosch and Brose drive units
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Effortless Shifting: XS-1275 10-52t cassette with full X-SYNC technology ensures smooth shifts under load
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Premium Shifter Design: Double-click T-Type actuation lever with MMX compatibility and ergonomic touchpoint
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E-MTB Ready: Solid pin GX Eagle Transmission Flattop chain, single-click variant ensures seamless E-MTB performance
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Installation Made Simple: Four-step mechanical setup—Prepare. Hang. Tighten. Route. No limit screws, no guesswork
Specifications
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Rear Derailleur: Eagle 90
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Shifter Right: Eagle 90
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Crank: Eagle 90 ISIS, 160/165/170mm
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Chainring: 34T 104B, 36T DM
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Chain: GX T-TYPE 126
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Cassette: XS 1275 T-TYPE 10-52
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Guard Included: Yes – Aeroguard
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Compatibility: UDH hanger frames, E-MTB approved
Why You’ll Love It
Built to take you as far as your body and imagination allow, the Eagle 90 delivers unparalleled precision, durability, and performance for every E-MTB ride.