Shimano 105 RD-R7150 12v rear derailleur pulleys - Y3HY98010

Optimise the precision and smoothness of your drivetrain with the Y3HY98010 rear derailleur pulleys from Shimano, specially designed for the Shimano 105 RD-R7150 Di2 12-speed rear derailleur. This genuine Shimano part comprises the guide pulley and the tension pulley, ensuring optimal chain guidance and fast, quiet and precise gear changes.

Manufactured to Shimano quality standards, these pulleys restore your drivetrain to its original performance by minimising friction and premature chain wear. Ideal for replacing worn or damaged pulleys, they guarantee maximum reliability on your road rides, whether for training or competition.

The Y3HY98010 kit is exclusively compatible with the Shimano 105 Di2 RD-R7150 12-speed rear derailleur and is easy to fit, provided you follow the direction of rotation indicated on each pulley.

Key features

• Shimano genuine part.
• Compatible with the Shimano 105 RD-R7150 Di2 12-speed rear derailleur.
• Includes the upper pulley (guide) and the lower pulley (tension).
• Ensures precise and quiet gear changes.
• Reduces wear on the drivetrain.
• Quick and easy to fit.
• Manufacturer’s part number: Y3HY98010.

FAQ

What are derailleur pulleys for?

The pulleys guide the chain through the rear derailleur and play a direct role in the quality of gear changes. Worn pulleys can cause noise, a loss of precision and accelerated wear on the drivetrain.

Which derailleurs are these pulleys compatible with?

Shimano ’s Y3HY98010 kit is designed for the Shimano 105 RD-R7150 Di2 12-speed rear derailleur.

Does the kit include both pulleys?

Yes, the set includes the upper guide pulley and the lower tension pulley required for a complete replacement.

When should the pulleys be replaced?

It is advisable to replace the pulleys when they show visible wear on the teeth, excessive play, or when gear changes become less smooth despite regular maintenance of the drivetrain.