| Description | The Shimano Dura-Ace Di2 Rear Derailleur RD-R9250 - Communication unit with charging port The RD-R9250 12-speed rear derailleur is the central element of Shimano's top-of-the-line Dura-Ace Di2 road bike groupset when it comes to semi-wireless as well as |
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| Supplier SKU | Y3GK89000 |
| Speed | 12 Speed |
| Brand Name | SHIMANO |
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