Shimano

XTR RD-M9250-SGS Di2 Wireless Rear Derailleur - 12-Speed Long Cage Shadow ES

Built for riders who demand top-tier performance across every inch of trail, the Shimano XTR RD-M9250-SGS Di2 wireless rear derailleur brings cutting-edge technology and rugged reliability to your 12-speed drivetrain. Paired with a standard 10-51T M9200 cassette (sold separately), it delivers a massive 510% gear range with rapid-fire precision perfect for aggressive enduro racing and high-output trail riding.

Featuring wireless Di2 shifting and HYPERGLIDE technology, this derailleur offers buttery-smooth, instantaneous shifts under load. The Shadow ES low-profile design and wedge-shaped body provide extra ground clearance and better impact deflection, while Automatic Impact Recovery instantly re-centers the derailleur after a crash or strike. Covered pulleys and a reinforced carbon cage ensure quiet, debris-resistant operation in the roughest conditions.

Key Features:

• Wireless Di2 HYPERGLIDE for smooth, precise, lightning-fast shifting
• 510% gear range when paired with 10-51T 12-speed cassette
• Automatic Impact Recovery realigns the derailleur after sudden impacts
• Shadow ES design minimizes exposure and reduces chances of snagging
• Carbon outer plate, solid pulley, and skid-plate for durability and long-term performance
• Wedge-shaped profile glances off trail obstacles, increasing survivability
• Secure battery enclosure ensures stability in rough terrain while remaining removable for charging
• Long cage design optimized for full-range mountain cassettes

Shimanos most advanced wireless derailleur yet engineered for riders who push the limits and expect their drivetrain to keep up.