Shimano XTR RD-M9250-GS Di2 Wireless Rear Derailleur – 12-Speed, Medium Cage, Shadow ES, Black/Gray
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$665.00
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
Description
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
Related
Additional information
Largest Cog | 45 |
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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 |
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- Internally Geared Hub Part 80
- Load Bar/Tower Set 9
- Roof Rack Accessory 16
- Repair Stands 32
- Disc Rotor Adaptor 8
- Pedal Washer 8
- Thread Repair Kits 5
- Kid 5
- Cartridge Bearing 115
- Peg Sleeve 15
- Knickers 10
- Casual Short 5
- Mountain Frame 53
- Cargo Carrier 5
- Disc Brake Fluid 5
- Shifter Battery Charger 8
- Remote Upgrade Kits 8
- Hydraulic Brake Lever Part 218
- Load Bar 5
- Coffee 5
- Brake Shoe and Pad 94
- Headlights 57
- Luggage/Duffel Bag 8
- Trailer Frame Parts 16
- Cable Fixing Assembly 10
- Pedal Wrench 5
- Disc Brake & Lever 4
- Spindle 17
- BMX Crankset 62
- Remote Shifter 11
- Disc Brake Hose Kit 98
- One-Piece Crankset 5
- Spoke Tensiometer 5
- Rigid Mountain Fork 21
- Light Part 59
- Top Cap 11
- Cyclocross Bike 18
- Shifter 5
- Rack Accessories 9
- U-Brake Part 7
- Battery Charger Cable 6
- Helmet Parts and Accessories 5
- Bracket/Accessory 25
- Travel / Shipping Cases 8
- Bag Part 25
- Chainring 6
- Polish 12
- Lumbar/Fanny Pack 14
- Other Trailer Parts 20
- Phone Charger 5
- Pedal Small Part 111
- Recovery 5
- Compression Bottom 5
- Swim Wear 5
- Folding Lock 28
- Brake Pad and Shoe Part 14
- Belt Drive Ring 15
- Branded Sign/Banner 11
- Track Frames 5
- Trunk Rack Accessory 6
- Air Springs & Parts 146
- T-Shirt 5
- Roof Rack Bike Carrier 12
- Hitch Rack Part 5
- Road Shifter Part 95
- Rear Wiring Kit 5
- Rear Hub 225
- Child Carrier Trailer 16
- Aero Bar Extensions 16
- Computer Mount Kit/Adapter 115
- Road Frames 21
- BMX Peg 19
- Messenger Bag 5
- Brake Housing 36
- Mustache Bar 5
- Tire Liners 39
- Brake Lever 5
- Crown Race 25
- Disc Brake Calipers 120
- Dropper Seatpost Remote 57
- Linear Pull Brake Noodle 16
- Cadence/Speed Sensor 17
- Training Wheel 10
- Rear Shock Service Kits 54
- Bar Tape 171
- Reflective Stick-on 5
- Bars 49
- Direct Mount Chainrings 343
- Roof Rack Wheel Fork 9
- Roller Brake 9
- Disc Golf 5
- Cleat Cover 8
- Chains 196
- Fixtures & Accessories 3
- Bag & Tool Kit 2
- Hitch Rack Accessory 32
- Road Bike 26
- Track Bike 10
- Brake 5
- Bicycle Mounted Rack Part 51
- Other Brake Lever Part 28
- Compression Plug 15
- Headset Tool 5
- Dropout 43
- Wheel/Frame Lock 19
- Drop Bar Stoker Lever 5
- Magnet 7
- Container 5
- Cable Cutter 5
- Bottom 5
- Water Bottle Cage Hardware 36
- Cyclocross/Hybrid Fork 40
- Gloves 486
- Fairing 5
- Electronic Shifter Extra Part 27
- Disc Golf Display 5
- Van/Truck Bed Rack 12
- Integrated Handlebar/Aero Bar 7
- Tubeless Valves 139
- Spoke Nipple 35
- Road Caliper Brakes 60
- Spoke Kit 20
- Derailleur Hanger Hardware 8
- Derailleur 5
- Body Cleanser/Hygiene 6
- Water Bottle Part and Accessory 10
- Grease 43
- Axle Nut and Bolt 19
- Jackets 111
- Assembly Compound 22
- Linear Pull Brake Small Part 7
- Heart Rate Straps and Accessories 11
- Power Meter 5
- Tubeless Sealant 55
- Ebike Crankset 92
- Saddle Care and Part 7
- Cyclocross Frame 24
- Clip-On Aero Bar 19
- Ski Carrier 10
- BMX Caliper Brake Sets 5
- Pulley Assembly 69
- Miscellaneous Rear Derailleur Part 90
- Internally Geared Hub 22
- Brake Lever Hood 31
- Crank Part 50
- Front Derailleur 89
- All-Road Frame 39
- Washer 10
- Drum Brake Part 5
- Anti-Fog 5
- Headlight & Taillight Set 33
- Detanglers 19
- Bolt 26
- Hub Set 5
- Seatpost Part 28
- Cable Stop and Guides 12
- EPS Charger 5
- Bulk Wax 5
- Miscellaneous Spoke Tool 5
- Front QR Skewer 12
- Y-Wrench 5
- Headset Stack Spacer 65
- Front Hub 121
- Watersport Carrier 5
- TT/Aero Brake/Shift Lever 5
- Cage Assembly 57
- Axle Set 29
- Dropper Seatpost 221
- Taillight 67
- Pillow 5
- Headset Upper 48
- Sunglasses 23
- Nut 8
- Belt Drive Belt 19
- First Aid Kit 5
- Entrees 5
- Steerer Extender 5
- Quick Release Skewer Pair 12
- Rear Shock Mount Kit 183
- Leg Bands 8
- Drop Bar Inline Levers 9
- Interface Unit 5
- Kit-In-A-Box Road Group 8
- Tubeless System Enhancements 44
- Lower Leg Assembly 27
- Tubular Adhesive 9
- Saddle 15
- Left Crank Arm 63
- Bike Protector 7
- Thru Axle Trailer Hitch Adaptor 44
- Front Derailleur Adaptor 19
- Stem Small Part 29
- Trailers 16
- Wheel Bag 6
- Hammock 5
- Dropper Seatpost Part 231
- Retail Store Fixture and Accessory 6
- Beverage Essentials 9
- Wound and Skin Care 5
- Decarolis 27
- Anti Chafe 26
- Stem Column Adaptor 9
- Trainer Accessories 25
- Service Kit 99
- Running Pant 5
- U-Brakes 12
- Power Unit 5
- Cookware 5
- Rear Mount Rack 42
- Dry Bag/Stuff Sack 5
- Backpack 21
- Seatposts 121
- Stems 489
- Travel / Shipping Case Part 5
- Strollers 5
- Pulley Bolt 11
- Headset Top Cap 25
- Child Carrier 20
- Tool Wrap 27
- TT/Aero Lever Pair 8
- Chair 5
- Chainstay/Frame Protection 123
- Bleed Kit 5
- Dresses and Skirts 5
- Foot Care 5
- BMX Bikes 5
- Other Rack 21
- Front Custom Wheel 5
- Trainer Part 35
- Thru Axle 124
- Running Tight 5
- Linear Pull Brake Set 13
- Extra Parts 9
- Safety Light 6
- Woman 5
- Tubeless Conversion Kits 12
- Van/Truck Bed Rack Part 6
- Ebike Lock 29
- Spoke 5
- Shifter Battery 8
- Trailer Stroller/Ski Kits 8
- Cable Anchor Assembly 15
- Cassettes 282
- Gear Maintenance 5
- Rim Part 36
- Insect Bite Relief and Repellent 5
- Bottom Bracket 5
- Pocket Knives and Multi-tool 5
- Disc Rotor Parts and Lockrings 50
- Apron 5
- Insect Net 5
- Bottle Cage Storage 13
- BMX Hub Guard 29
- Wear Indicator 5
- Bell 74
- First Responder Assistance 5
- Rack Service Part 10
- Cantilever Brake Set 5
- Junction Box 15
- Bianchi 96
- Tubeless Tape 76
- Load Bar Tower 5
- Small Part 67
- Mountain Bike 42
- Freehub Body 142
- Trailer Wheels and Axle Parts 42
- Trailer Covers/Fabric Parts 20
- Cable Adjustment Assembly 9
- Seatpost Clamp 124
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