Shimano XTR RD-M9250 Di2 12 Speed Rear Derailleur, Long Cage (SGS)

Shimano XTR RD-M9250 Di2 12 Speed Rear Derailleur

• Automatic Impact Recovery: New auto-reset function intelligently returns the derailleur motor to its original position after an impact - no tools, no fuss. Just keep riding.

• SHIMANO SHADOW ES Technology: An evolved version of Shimano's renowned Shadow system, now with a sleeker, more resilient stabiliser that keeps your chain secure and shifting silent, even under pressure.

• Wireless Di2 Shifting: Fully integrated wireless electronic shifting delivers ultra-fast, precise gear changes with Shimano's proven HYPERGLIDE+ technology. Less drag, more responsiveness, total control.

• Wedge-Shaped for Trail Protection: The new wedge-shaped body and low-profile design improve trail clearance and deflect direct hits from rocks or roots, ensuring uninterrupted performance on technical terrain.

• Rugged Construction: Built with a wide link structure, carbon outer plate, and reinforced pulley system, this derailleur offers improved impact resistance, reduced flex, and extended durability for high-mileage riders.

• Integrated and Secure Battery Housing: BT-DN320 Battery - opens in a new tab (sold separately) sits protected inside the derailleur, securely locked in place to withstand the harshest trails while remaining easily removable for charging.

Engineered for elite performance and impact durability, the Shimano XTR RD-M9250 Di2 12-Speed Rear Derailleur delivers next-generation wireless shifting for aggressive mountain bike riders, whether you're charging through enduro stages or shaving grams for cross-country (XC) racing.

This trail-tough derailleur combines cutting-edge Di2 wireless technology with a reinforced low-profile design to provide lightning-fast shifting, automatic impact recovery, and increased ground clearance - keeping your drivetrain protected and competitive in all conditions.

Available in GS (medium cage) for a 9-45T cassette or SGS (long cage) compatible with wide-range 10-51T cassettes.

Technical Specifications:

• Speed: 12-speed

• Shifting System: Di2 Wireless

• Max Sprocket Compatibility: GS (9-45T) / SGS (10-51T)

• Chain Compatibility: Shimano HG 12-speed

• Model Numbers: RD-M9250-GS / RD-M9250-SGS

• Battery: BT-DN320Battery - opens in a new tab sold separately