SHIMANO XTR Di2 RD-M9250 12-SPEED REAR DERAILLEUR

Experience uncompromising performance with the SHIMANO XTR Di2 RD-M9250 12-speed rear derailleur.

Built to withstand the toughest terrain, this wireless shifting system delivers precise, instantaneous gear changes at the touch of a button. The innovative automatic impact recovery function instantly restores the derailleur to its optimal position after impacts, keeping you riding smoothly through technical sections. Hyperglide sprocket compatibility ensures seamless chain engagement, while the medium and long cage options provide versatility for any setup. Engineered for riders who demand reliability without compromise.

Features 

• GS medium cage for 9-45 cassette: The rear derailleur with medium-length cage, optimized for shock resistance, is the first choice for both top enduro athletes and weight-conscious XC racers
• SGS long cage for 10-51 cassette: Speed paired with range; the long cage rear derailleur withstands hard impacts on the trail and scores with lightning-fast shifting speed and top-class performance at the same time
• Robust Design: A wide link structure, skid-plate design, durable carbon plate and solid pulley add robustness and longevity
• RD Protection Function: A new automatic impact recovery function instantly returns the derailleur motor to its original position after impact
• SHIMANO SHADOW ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
• Precise & Clean Wireless Shifting: Wireless Di2 paired with HYPERGLIDE+ technology result in smooth, precise and instantaneous shifts
• Wedge Shape: The new wedge shape of Shimano’s most survivable rear derailleur to-date avoids more direct impacts, and smoothly glances off rocks if there is a hit
• Protected Battery: Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining completely removable for charging
• LED status display

Product features

• Use: MTB
• Group: XTR M9200
• Model: RD-M9250
• Mount: Direct attachment (Conventional)
• Technology: Shadow ES
• Gradations: 
  • GS-Type 1x12-speed (9-45 cassette)
  • SGS-Type 1x12-speed (10-51 cassette)
• Compatible chain: 12-speed HG
• Max. teeth large sprocket: 45T (GS) / 51T (SGS)
• Min. teeth large sprocket: 45T (GS) / 51T (SGS)
• Max. teeth small sprocket: 9T (GS) / 10T (SGS)
• Min. teeth small sprocket: 9T (GS) / 10T (SGS)
• LED status indicator: Yes

Pully cage

• GS Medium
• SGS Long

Material

• Aluminium
• Stainless steel
• Steel
• PA-GF

Colour

• Series colour

Weight

• Approx. 389g GS
• Approx. 391g SGS

Contents

• 1 x Shimano XTR Di2 RD-M9250 12-Speed Rear Derailleur

BT-DN320 Battery and EC-DN100 Charger not included.

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Weights are based off pre-production products at time of publication. Weights may vary in final production.