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RRP 949,-
From 749,-
- Ordered before 22:00, delivered tomorrow
- Free tracked delivery
RRP 949,-
From 749,-
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Pros & Cons
Pros & Cons
- This upgrade kit makes it easy to convert your current 12-speed Shimano group to electronic gear shifting.
- Combined with Hyperglide+ technology, this kit will make you enjoy the best shifting performance!
- The battery is well concealed inside the derailleur, where it is protected from external impacts and weather conditions.
- The shifter has three buttons that are completely adjustable in terms of position and function. Thus, the shifter can be adjusted to meet any preference.
- The derailleur moves with all cycling movements and, in case of an impact, instantly and automatically returns to its original position.
- Switching between different cassette ratios is not possible with the Shimano derailleurs.
Specifications
Specifications
| Brand | Shimano | |
| Bike Type | Mountain bike / Road bike | |
| Body Type | Shimano Micro Spline 12 speed | |
| Drivetrain Type | 1 x 12 | |
| Direction | Unidirectional | |
| Quality | Best | |
| Number of links | 126 links | |
| What groupset do you have? | Shimano XTR / Shimano XT / Shimano SLX / Shimano Deore | |
| Packaging | Factory Packaging |
SW-M9250 Shifter: the perfect gear shifting solution
The XTR M9250 shifter offers an unrivalled gear shifting experience that feels instantly natural. With two versatile shift buttons that are adjustable in height as well as rotation direction, the shifter can be customised to the user's hand shape and size. This ensures optimal control and comfort on every ride, whatever the conditions.
Sophisticated technology for today's riders
The programmable third button on the shifter gives you complete freedom in terms of function allocation and can easily be set via the E-TUBE app. Whether you want to use it to operate your bike computer or for other e-functions, the SW-M8250 gives you the technology you need. The shifter has a rubber grip surface and is available in two mounting options: I-SPEC EV for a sleek finish and ease of use, or a clamping strap.
RD-M9250 rear derailleur
The XTR M9250 rear derailleur is Shimano's first fully wireless derailleur. Its battery is well
concealed and covered inside the derailleur and, therefore, protected from any impacts and weather influences. The derailleur has been designed to withstand any form of impact and has a special impact-deflecting shape that makes it quite flexible. Thus, in case of an impact, the derailleur automatically and instantly returns to its original position to continue the ride as if nothing has happened. The jockey wheels are completely covered and placed in a full carbon derailleur cage. The long cage is made for the 10-51 cassette, and the medium cage is compatible with the 9-45 cassette.
Battery, charger and quick-link
The compact 310 MaH battery will last at least 300 kilometres. It is perfectly concealed inside the derailleur and can be easily removed for charging. The charger is included in the kit, as is a USB-C cable. Since the chain has to be disconnected for derailleur installation, a new quick-link is also included.
The XTR M9250 shifter offers an unrivalled gear shifting experience that feels instantly natural. With two versatile shift buttons that are adjustable in height as well as rotation direction, the shifter can be customised to the user's hand shape and size. This ensures optimal control and comfort on every ride, whatever the conditions.
Sophisticated technology for today's riders
The programmable third button on the shifter gives you complete freedom in terms of function allocation and can easily be set via the E-TUBE app. Whether you want to use it to operate your bike computer or for other e-functions, the SW-M8250 gives you the technology you need. The shifter has a rubber grip surface and is available in two mounting options: I-SPEC EV for a sleek finish and ease of use, or a clamping strap.
RD-M9250 rear derailleur
The XTR M9250 rear derailleur is Shimano's first fully wireless derailleur. Its battery is well
concealed and covered inside the derailleur and, therefore, protected from any impacts and weather influences. The derailleur has been designed to withstand any form of impact and has a special impact-deflecting shape that makes it quite flexible. Thus, in case of an impact, the derailleur automatically and instantly returns to its original position to continue the ride as if nothing has happened. The jockey wheels are completely covered and placed in a full carbon derailleur cage. The long cage is made for the 10-51 cassette, and the medium cage is compatible with the 9-45 cassette.
Battery, charger and quick-link
The compact 310 MaH battery will last at least 300 kilometres. It is perfectly concealed inside the derailleur and can be easily removed for charging. The charger is included in the kit, as is a USB-C cable. Since the chain has to be disconnected for derailleur installation, a new quick-link is also included.
For a 10-51 cassette, you need the long cage. The 9-45 is compatible with the medium cage. Swapping is not possible.
The upgrade kit is compatible with the 6100/7100/8100/9100 MTB groupsets.
The upgrade kit is compatible with the 6100/7100/8100/9100 MTB groupsets.
• SW-M9250 shifter
• RD-M9250-GS or RD-M9250-SGS rear derailleur
• BT-DN320 battery
• EC-EN100 charger
• SM-CN910-12 quicklink
• RD-M9250-GS or RD-M9250-SGS rear derailleur
• BT-DN320 battery
• EC-EN100 charger
• SM-CN910-12 quicklink
Review
Review
5 / 5
Gadgets that add up on our bike
- Jordi Xavier 1 December 2025
Coming from the mechanic, at first it feels like a bit of a millisecond delay when shifting compared to the mechanic. But in the end the multiple shifting configuration makes it an indispensable part of the bike.
Automatic translation
Frequently bought together
Frequently bought together
Recommended by the product specialist
Recommended by the product specialist
Related products
Related products
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| Shimano Di2 Upgrade Kit XTR M9250 | Shimano Di2 Upgrade Kit XT M8250 SGS | Shimano XT Di2 M8250 | SRAM GX Eagle AXS Upgrade Kit | |
| 1 review | 3 reviews | 55 reviews | ||
| Bike Type | Mountain bike / Road bike | Mountain bike / Gravel bike | ||
| Body Type | Shimano Micro Spline 12 speed | Shimano Micro Spline 12 speed | ||
| Drivetrain Type | 1 x 12 | 1 x 12 | ||
| Direction | Unidirectional | |||
| Quality | Best | Better | ||
| Number of links | 126 links | 126 links | ||
| From 749,- | From 649,- | 989,- | From 444,- | |
| This product | View product | View product | View product |
All specifications
General
Brand
Shimano
Bike Type
Mountain bike / Road bike
Drivetrain Type
1 x 12
Direction
Unidirectional
Quality
Best
Number of links
126 links
What groupset do you have?
Shimano XTR / Shimano XT / Shimano SLX / Shimano Deore
Packaging
Factory Packaging
Number of gears
12 speed
Shifting Type
Electronic
Suitable for
Shimano
MTB Groupset Type
Single
Cassette Ratio
10 / 51 / 9 / 45
Colour
Grey
Brakes
No, not included
Wheels & Tyres
Also order
No chain and cassette
Components
Body Type
Shimano Micro Spline 12 speed