The fully wireless XTR rear derailleur.
With its crash-recovery and highly durable design, it delivers reliable shifting performance even on trails.
SHIMANO RD-M9250-SGS | Full Wireless XTR Rear Derailleur That Withstands Impacts
A trail-ready Di2 rear derailleur that combines smooth shifting with extreme durability.
The long-awaited fully wireless XTR grade "RD-M9250-SGS" combines Shimano's renowned shifting performance with a highly durable design that can be relied upon even during intense trail rides. The newly equipped "Automatic Impact Recovery function" automatically restores the derailleur to its original position even after an impact, ensuring stable shifting even under harsh conditions.
The combination of HYPERGLIDE+ technology and the Di2 wireless system achieves precise and high-speed gear changes. It can also be linked with E-BIKEs via the E-TUBE app, Bluetooth/ANT+, allowing you to experience cutting-edge control performance.
Features
- First full wireless Di2 rear derailleur in XTR grade
- Enhanced impact recovery performance with Automatic Impact Recovery function
- Highly durable design with skid plate shape and carbon plate
- Achieves smooth, high-speed shifting in conjunction with HYPERGLIDE+
- Connects with E-TUBE app and E-BIKE systems via Bluetooth/ANT+ connection
- Improved rotation efficiency with 13T sealed bearing pulleys
SPEC
- Model Number: RD-M9250-SGS
- Series: XTR
- Rear Speeds: 12-speed
- Compatible Cassette: 10-51T (min/max)
- Total Capacity: 41T
- Compatible Chain: HG 12-speed
- Mount Type: Direct mount
- Pulley Teeth: 13T (Guide and Tension pulleys both with sealed bearings)
- Axle Structure: Hollow Axle
- System: Di2 Wireless
- Communication: Bluetooth LE / ANT+ compatible
- E-TUBE PROJECT / E-TUBE RIDE compatible
- Functions: Gear position display / Battery level notification / Adjustment mode, etc.
- Battery/Charger: Sold separately
It is no exaggeration to say that the RD-M9250-SGS is "the most advanced model" among Shimano's rear derailleurs. While being completely wireless, it retains the precision and speed of Di2-like shifting.
The impact recovery function was particularly impressive; it's truly reassuring to have it return to its original position even if it hits a rock during a trail ride. This is the best choice for XTR users and anyone serious about off-road riding.