# Shimano XTR RD-M9250-GS Di2 Wireless Rear Derailleur - 12-Speed Medium Cage Shadow ES BLK/Gray

Optimized for impact survivability the 12-speed XTR RD-M9250 medium cage rear derailleur is the choice for both Shimano’s top enduro athletes and weight-conscious XC racers alike especially when matched with the 9-45t compact cassette (cassette sold separately). Featuring all-new wireless Di2 shifting automatic impact recovery a redesigned wedge shape and 23 millimeters of additional ground clearance for a bash-free ride this rear derailleur stands out for the speed of its shift and its ability to keep riders competitive on the trail.-   Wireless Di2 paired with HYPERGLIDE+ technology result in smooth precise and instantaneous shifts
-   Wide link structure skid-plate design durable carbon plate and solid pulley add robustness and longevity
-   Automatic Impact Recovery function instantly returns the derailleur motor to its original position after impact
-   Shadow ES design provides a slimmer stronger evolution of Shimano’s pioneering chain-stabilizing Shadow RD+ concept
-   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
-   Tucked safely inside an enclosed space the battery won’t budge even in rough terrain while remaining completely removable for charging
    
    Largest Cog
    
    45
    
    Rear Der/Shifter Compatibility
    
    Shimano Mountain Di2
    
    Rear Derailleur Mount Type
    
    Shimano Rear Direct Mount
    
    Drivetrain Speeds
    
    12
    
    Chain Wrap Capacity (teeth)
    
    36
    
    Cage Length
    
    Medium
    
    Color
    
    Black/Gray
    
    Weight
    
    389

## Details

- **Price:** 665.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Rear Derailleurs
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 665.00 USD | In stock |

## Images

- Shimano XTR RD-M9250-GS Di2 Wireless Rear Derailleur - 12-Speed Medium Cage Shadow ES BLK/Gray

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-xtr-rd-m9250-gs-di2-wireless-rear-derailleur-12-speed-medium-cage-shadow-es-blk-gray)
> Updated: 2026-07-22