Chape external derailleur and fixing screw Shimano Dura Ace RD-R9250 12v - Y3GK98040

Optimise the performance of your drivetrain with the Shimano Dura-Ace RD-R9250 12-speed outer derailleur hanger, supplied with its original fixing screw (part number Y3GK98040). Designed for high-end electronic groupsets— Shimano Di2—this spare part ensures smooth, precise and long-lasting operation of your rear derailleur.

Manufactured from premium materials, this outer cage ensures excellent rigidity whilst maintaining minimal weight, in keeping with the standards of the Dura-Ace range. It plays a key role in maintaining and optimally guiding the chain, enabling fast and silent gear changes, even under heavy load.

Ideal for replacing a worn or damaged part, this manufacturer’s original hanger ensures perfect compatibility with the Shimano RD-R9250 12-speed derailleur, without compromising on performance.

Key features:

• Shimano genuine part (part no. Y3GK98040)
• Perfect compatibility with the Dura-Ace RD-R9250 Di2 12-speed
• Optimal stiffness and lightness
• Simple installation with fixing screws included
• Shifting performance maintained

FAQ – Frequently asked questions

Is this derailleur hanger compatible with other derailleurs Shimano?
No, it is specifically designed for the Dura-Ace RD-R9250 12-speed model. For other groupsets (Ultegra, 105), a different part number is required.

Is the fixing screw included?
Yes, the derailleur hanger is supplied with its original fixing screw for a complete fit.

Is it difficult to fit yourself?
Fitting is straightforward for a cyclist with a basic understanding of bike mechanics. A visit to a bike shop is recommended if in doubt.

When should the outer derailleur cage be replaced?
In the event of impact, deformation or wear and tear affecting the precision of gear changes.