hw-bv Unité d'axe de support (pour type normal) RD-R9250

The Dura-Ace Di2 RD-R9250 Shimano axle unit is a genuine spare part designed to restore the performance and reliability of your 12-speed Shimano rear derailleur. 

Intended for the high-end Dura-Ace Di2 RD-R9250 electronic rear derailleur, this axle unit ensures precise support for the mechanism and contributes to smooth gear changes. Manufactured to Shimano quality standards, it guarantees perfect compatibility and installation in accordance with the manufacturer’s specifications. 

Ideal as a replacement for a worn or damaged part, it helps extend the lifespan of your drivetrain whilst maintaining the precision of the Dura-Ace groupset. 

Technical specifications:

- Product: Support axle unit for
rear derailleur - Compatibility: Shimano Dura-Ace Di2 RD-R9250 rear derailleur – 12-speed
- Genuine part Shimano
- Part number: Y3GK98020
- Brand: Shimano

FAQ – Frequently Asked Questions:

1. What is the purpose of this Shimano support axle unit?

This part ensures the RD-R9250 rear derailleur mechanism remains aligned and functions correctly, guaranteeing precise gear changes.

2. Is this part compatible with all Dura-Ace derailleurs?

No, this unit is specifically designed for the Shimano Dura-Ace Di2 RD-R9250 12-speed rear derailleur.

3. Is this a genuine Shimano part?

Yes, it is a genuine Shimano part with the official part number Y3GK98020.

4. Can this part be replaced without changing the entire derailleur?

Yes, this unit allows you to replace only the affected component when it is worn or damaged, avoiding the need to replace the entire derailleur.

5. Is this unit compatible with Ultegra Di2 groupsets?

No, it has been developed exclusively for the Dura-Ace Di2 RD-R9250 rear derailleur Shimano and is not designed for Ultegra models.