Power Through Every Trail. E-MTB Tough. Transmission Smooth.

Built for the demands of electric mountain biking, the SRAM Eagle 90 Transmission E-Bike Groupset brings bulletproof mechanical shifting to your Bosch-powered rig. Borrowing the Full Mount design and durability DNA from its AXS siblings, Eagle 90 offers unmatched strength, rebuildability, and load-tolerant performance—all optimized for Bosch drive units.

The groupset features a Bosch-specific offset crankset, single-click shifter to prevent chain stress, and SRAM's XS-1275 T-Type cassette for precise shifting under power. This is everything you need to push your E-MTB to new heights—without electronic complexity.

Key Features

• 🦾 Full Mount Eagle 90 Rear Derailleur
  SRAM’s toughest mechanical derailleur ever—fully serviceable with replaceable B-knuckle, links, skid plates, and cage components.

• ⚙️ Bosch-Optimized E-MTB Crankset
  Forged aluminum construction with Gap Cap and integrated T-Type chainring for a seamless fit on Bosch motor systems. Includes clip-on bash guard.

• 🔄 XS-1275 T-Type 10-52T Cassette
  Wide-range 520% gear spread with full X-SYNC tooth profiling for unbeatable inboard and outboard shifting under load.

• 🎯 E-MTB Specific Single-Click Shifter
  Prevents multiple shifts under heavy torque to reduce drivetrain wear. Stealth styling and ergonomic lever design included.

• 🔗 GX Eagle Transmission Flattop Chain
  Durable, smooth-shifting, and E-MTB approved—complete with solid pins and Transmission-optimized performance.

Compatibility

• UDH (Universal Derailleur Hanger) required

• Bosch motor systems (BDU platform)

• DUB Wide spindle with Bosch-specific chainring offset

What’s Included

• Eagle 90 Rear Derailleur (Full Mount)

• Eagle 90 Single-Click Shifter

• XS-1275 T-Type 10-52T Cassette

• GX Eagle Transmission Flattop Chain (E-MTB rated)

• Eagle 90 Bosch-Specific Crankset (w/ Gap Cap, T-Type Chainring, Bash Guard)

• Shift Cable & Brake Hose Clip for cockpit organization

Built for power. Tuned for precision. The Eagle 90 Bosch Groupset delivers next-gen mechanical performance to your E-MTB.