Eagle 90 E-MTB Groupset A1 Brose | 165 mm

Engineered for the rigors of electric mountain biking, the SRAM Eagle 90 E-MTB Groupset brings the precision of mechanical shifting to the cutting-edge Transmission platform. Built with the same robust Full Mount derailleur architecture found in AXS systems, it offers outstanding durability and the most rebuildable derailleur SRAM has ever made. Paired with a forged aluminum crankset optimized for Brose drive units and a 10-52T cassette, this groupset delivers flawless shifting under heavy loads—ideal for E-MTB riders tackling demanding trails.

• With intuitive installation thanks to the simplified 4-step setup, no limit screws, and no B-tension adjustments required, this is a high-performance drivetrain for riders who want easy serviceability, extreme reliability, and performance you can trust on every climb and descent.
• Crankset: Forged aluminum E-MTB crank arms, 165 mm length, designed for Brose motor systems
• Chainring: T-Type chainring specific to drive unit with “Gap Cap” for clean fit
• Rear Derailleur: Eagle 90 T-Type with Full Mount design (UDH compatible only); highly rebuildable with replaceable links, bushings, bash guards, and cage components
• Shifter: Eagle 90 mechanical double-click shifter with stealth design, textured aluminum lever, and MMX brake compatibility (dedicated single-click variant for E-MTB use)
• Cassette: GX Eagle XS-1275 T-Type, 10–52T range with full X-SYNC for consistent shifting under load
• Chain: GX Eagle Transmission Flattop chain with solid pins, E-MTB approved
• Compatibility: UDH (Universal Derailleur Hanger) frames only
• Finish: Distinct black and silver aesthetic