Shimano XTR Di2 RD-M9250 12V MTB rear derailleur

The Shimano XTR Di2 RD-M9250 12-speed rear derailleur is the ultimate benchmark for high-end MTB drivetrains. Designed for competitive riders and demanding cyclists, it features SHIMANO SHADOW ES technology, with a streamlined design that minimises snagging on obstacles.

This wireless model ensures fast, precise and reliable gear changes, even under heavy load, thanks to the Di2 Wireless architecture. It incorporates a rechargeable, removable battery housed within the derailleur body, protected from impacts and the elements.

Its automatic impact recovery system absorbs shocks and automatically returns the derailleur to position, ensuring consistent performance even in extreme conditions.

Available in two versions – the long SGS cage for 10-51-tooth cassettes or the medium GS cage for 9-45-tooth cassettes – it adapts to your riding style, whether XC, trail or marathon. The reinforced construction with a skid plate and sturdy pulleys ensures optimal durability on the most demanding terrain.

Technical specifications:

- Use: XC MTB, Marathon, Trail
- Technology: Shimano wireless Di2 – SHADOW ES

Cassette compatibility:
- RD-M9250 SGS (long cage): 10-51 teeth
- RD-M9250 GS (medium cage): 9-45 teeth

- Mounting: Standard direct mount
- Battery: Internal, rechargeable and removable
- Design: Compact, protected, reinforced pulleys
- Special feature: Automatic return after impact
- Part numbers: RD-M9250 SGS / RD-M9250 GS
- Brand: Shimano