Rear derailleur hanger Shimano Dura-Ace RD-R9250 Di2 12v - Y3GK98010

Optimise the precision and smoothness of your transmission with the Shimano Dura-Ace RD-R9250 Di2 12-speed pulleys (reference Y3GK98010). An original Shimano part, this set of rollers (top roller + bottom roller) is specially designed for Dura-Ace Di2 12v rear derailleurs, guaranteeing top-of-the-range performance.

Fitted with high-precision sealed bearings, these rollers ensure smooth rotation and significantly reduce friction, contributing to fast, silent and efficient gear changes. Their design optimises chain guidance while limiting overall wear on the transmission.

Made from robust materials (steel and composite), they offer excellent durability even under intensive use. Perfectly matched to the RD-R9250 derailleur, they guarantee total compatibility and easy installation for rapid replacement.

Ideal for maintaining or restoring the performance of a Dura-Ace groupset, this roller kit is a reliable solution for keeping your 12-speed electronic drivetrain running at its best.

Key features:

• Original part Shimano (Y3GK98010)
• Compatible with Dura-Ace RD-R9250 Di2 12v only
• Sealed bearings: smooth running and low friction
• Improves shifting precision
• Durable and easy to install

FAQ - Dura-Ace R9250 shifters Shimano

Are these pulleys compatible with other Shimano derailleurs?
No, they are specifically designed for the Dura-Ace RD-R9250 12-speed derailleur.

What is the difference with standard pulleys?
They incorporate high-precision sealed bearings, reducing friction and improving fluidity.

When should the rollers be replaced?
When they become worn, noisy or when gear changes become less precise.

Is fitting complicated?
No, replacement is simple with basic tools, respecting the direction of the rollers (guide and tension).