Shimano Dura-Ace Di2 D-R9250 12-speed Rear Derailleur

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Shimano Dura-Ace Di2 D-R9250 12-speed Rear Derailleur

SKU: 12352

€810,95

In stock

Free shipping available for this product.

Collection: Pro's Choice

Condition: Brand new

Description

Brand new Dura-Ace 12-speed Rear Derailleur from Shimano.

The Shimano Dura-Ace Di2 12-speed rear derailleur is the centerpiece of Shimano's top-of-the-line Dura-Ace Di2 road bike group, offering semi-wireless and fully wired shifting. Constructed primarily of aluminum and carbon, it is approximately 50 grams lighter than the Ultegra model. The RD-R9250, in its disc brake version, communicates wirelessly with the shift/brake lever via a built-in radio chip, offering more functionality than a traditional rear derailleur. Rim brake versions with cable connection to STI are responsible for coupling the components.

The rear derailleur is connected to the battery via a cable, from which there is also a cable to the front derailleur and, if applicable, to his STI. It has a charging port and the circuit can be easily charged with the appropriate charging cable. In racing and training use, the RD-R9250 impresses with extremely fast switching speeds that clearly exceed those of its predecessor. Its flat shadow design reduces the risk of snagging and optimizes shifting.

With a total capacity of 37 teeth, you can switch between 12-speed cassettes with maximum sprockets from 28 to 34 teeth. 54-40 teeth provide variability and optimum conversion for all driving situations.

Specifications:

Brand new
Di2 wireless chip with low interference, fast processing, and low power consumption
Shifting speed is incredibly fast: 58% faster than the RD-R9150
E-Tube Project firmware updates
Derailleur Pulleys: 11-tooth
Outer Cage Material: carbon (CFRP)
Inner Cage Material: carbon (CFRP)
Compatible with HG 12-speed chains
Linked to battery via cable
Great Shimano quality

Brand new Dura-Ace 12-speed Rear Derailleur from Shimano.

The Shimano Dura-Ace Di2 12-speed rear derailleur is the centerpiece of Shimano's top-of-the-line Dura-Ace Di2 road bike group, offering semi-wireless and fully wired shifting. Constructed primarily of aluminum and carbon, it is approximately 50 grams lighter than the Ultegra model. The RD-R9250, in its disc brake version, communicates wirelessly with the shift/brake lever via a built-in radio chip, offering more functionality than a traditional rear derailleur. Rim brake versions with cable connection to STI are responsible for coupling the components.

The rear derailleur is connected to the battery via a cable, from which there is also a cable to the front derailleur and, if applicable, to his STI. It has a charging port and the circuit can be easily charged with the appropriate charging cable. In racing and training use, the RD-R9250 impresses with extremely fast switching speeds that clearly exceed those of its predecessor. Its flat shadow design reduces the risk of snagging and optimizes shifting.

With a total capacity of 37 teeth, you can switch between 12-speed cassettes with maximum sprockets from 28 to 34 teeth. 54-40 teeth provide variability and optimum conversion for all driving situations.

Specifications:

Brand new
Di2 wireless chip with low interference, fast processing, and low power consumption
Shifting speed is incredibly fast: 58% faster than the RD-R9150
E-Tube Project firmware updates
Derailleur Pulleys: 11-tooth
Outer Cage Material: carbon (CFRP)
Inner Cage Material: carbon (CFRP)
Compatible with HG 12-speed chains
Linked to battery via cable
Great Shimano quality

Introduction

We have sorted all our products into four general categories:

- ProOwned® Approved
- Pro's Choice
- Fan's Choice
- Essentials

We have done this to make it easier for you to know what type of item you are shopping for.

ProOwned® Approved
An authentic and original product sourced directly from a cycling team or rider and can be in different conditions — brand new, as new or pre-owned. We make sure to quality check all items and ensure that you always receive a product in good condition.

Pro's Choice
High-end and top-quality products sourced from carefully selected brands & partners. These products are often a model or type that is preferred to use in professional cycling.

Fan's Choice
Products made for cycling fans. Team merchandise consisting of clothing, accessories and gift products supporting your favourite team.

Essentials
The products you can not live without on your ride. This category is made to cover your basic needs on a bike ride and preparations. Our goal is to provide you with value for money no matter what you are shopping for.

Introduction
Our ProOwned® Approved products are original from professional cycling teams and cyclists. On each of these products, we inform the item's condition, along with photos showing the signs of use.

Most of the products are brand new, and we always make sure to offer products in good functional condition. The items that cannot be sold are donated to charity.

If you doubt the product's condition or packaging, please feel free to contact us.

Brand new
The item has not been used yet. The item can be both with and without original packaging, as the item may have been part of a cycling team's preparations.

As new
The item has been unpacked, tested, washed once or has marks from storage. However, this item has never been used on a bike ride.

Pre-owned
A professional cyclist has used the item but has plenty of miles left. The item will always be checked for defects, and you will receive it clean and in functional condition.