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Shimano Dura-Ace R9250 Di2 12 Speed Rear Derailleur
Shimano Dura-Ace R9250 Di2 12 Speed Rear Derailleur
1 review
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RRP 3673,90
2185,30
- Delivery in 3 working days
- Free tracked delivery to Poland
- Trustpilot rating 4.6/5
- Easy returns
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Pros & Cons
Pros & Cons
- Unparalleled performance in terms of shifting speed and shifting under load during a standing climb or a sprint.
- Shifting speed has increased by 58% compared to the Shimano Dura Ace R9150 Di2 rear derailleur.
- Adjust your rear derailleur once, that's it; you won't have to do it again as long as your road bike lasts.
- Can only be used with Shimano Ultegra and Dura-Ace Di2 12-speed groupsets.
Specifications
Specifications
| Brand | Shimano | |
| What groupset do you have? | Shimano Dura-Ace | |
| Number of gears | 12 speed | |
| Shifting Type | Electronic | |
| Largest cassette sprocket | 34T | |
| Cage Length | Medium Cage | |
| Maximum Capacity | 37T | |
| Weight | 215 grams |
The Shimano Dura-Ace R9250 Di2 rear derailleur is part of the Shimano R9200 Di2 groupset, and suitable for 12 speed. Its shifting speed has increased by 58% compared to the previous model. And it shifts much faster and more efficiently than a fully wireless groupset.
The speed of the Shimano Dura-Ace R9250 rear derailleur when shifting under load is even more impressive. The junction box is integrated in the derailleur, saving you a lot of space in the handlebars and bottom bracket. The groupset can also be adjusted and charged via this derailleur.
The speed of the Shimano Dura-Ace R9250 rear derailleur when shifting under load is even more impressive. The junction box is integrated in the derailleur, saving you a lot of space in the handlebars and bottom bracket. The groupset can also be adjusted and charged via this derailleur.
Semi-wireless connection
The Shimano Dura Ace 9200 Di2 Disc 12-speed groupset is a semi-wireless groupset, meaning there is only a cable connection between the front derailleur, rear derailleur and battery. This makes the mounting procedure much easier. A fully charged battery will last for some 1000 km before needing to be recharged. A junction box is no longer needed; the groupset can be adjusted and charged via the rear derailleur.
Shimano Di2 app
The Shimano Di2 app can be used for all adjustment options, such as assigning shift buttons, customising shifting ways or adjusting shifting speed. The function of each shift button is customisable. The Synchronized Shift or Semi-Synchronized Shift options, whereby the front derailleur automatically shifts along to ensure the ideal chainline, are still possible.
The Shimano Dura Ace 9200 Di2 Disc 12-speed groupset is a semi-wireless groupset, meaning there is only a cable connection between the front derailleur, rear derailleur and battery. This makes the mounting procedure much easier. A fully charged battery will last for some 1000 km before needing to be recharged. A junction box is no longer needed; the groupset can be adjusted and charged via the rear derailleur.
Shimano Di2 app
The Shimano Di2 app can be used for all adjustment options, such as assigning shift buttons, customising shifting ways or adjusting shifting speed. The function of each shift button is customisable. The Synchronized Shift or Semi-Synchronized Shift options, whereby the front derailleur automatically shifts along to ensure the ideal chainline, are still possible.
Review
Review
5 / 5
Very good service
- Frank 18 March 2024
I am building a new racing bike. I got many parts here at a very good price. Fast delivery without any problems. Top.
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| Shimano Dura-Ace R9250 Di2 | SRAM RED AXS E1 | Shimano Ultegra R8150 Di2 | Campagnolo Chorus | |
| 1 review | 1 review | |||
| What groupset do you have? | Shimano Dura-Ace | SRAM RED AXS | Shimano Ultegra | |
| Packaging | Factory Packaging / OEM / Original product without packaging | Factory Packaging | Factory Packaging / OEM | |
| Number of gears | 12 speed | 12 speed | 12 speed | 12 speed |
| Shifting Type | Electronic | Electronic | Electronic | Mechanical |
| Largest cassette sprocket | 34T | 34T | 34T | |
| Cage Length | Medium Cage | Long Cage | Medium Cage | Long Cage |
| 2185,30 | 2448,00 | From 1178,00 | 582,40 | |
| This product | View product | View product | View product |