Shimano 4-arm bike crankset 4-bolt kit Y1H598160

The Shimano Y1H598160 kit includes 4 fixing screws specially designed for top-of-the-range Shimano 4-spoke road and MTB cranksets. Original to Shimano, these screws provide reliable, precise support for the chainrings to ensure a long-lasting, high-performance drivetrain, even under heavy stress.

Made from high-quality aluminium with a Torx recess, these screws offer an excellent compromise between lightness, rigidity and corrosion resistance. They are ideal for replacing worn, damaged or lost fasteners during transmission maintenance.

The Y1H598160 kit is compatible with many Shimano 4-spoke cranksets, including the Dura-Ace, Ultegra, 105 and XTR series. It is suitable, for example, for FC-9000, FC-R9100, FC-R9200, FC-6800, FC-R8000, FC-R8100, FC-R7000 cranksets and certain XTR FC-M980 models.

Highlights

• Complete kit of 4 screws Shimano
• Compatible with Shimano 4-spoke cranksets
• Lightweight, robust aluminium construction
• Reliable Torx tightening
• Original parts Shimano
• Precise, durable assembly

FAQ

What is the Y1H598160 kit for?

It is used to mount chainrings on compatible Shimano 4-spoke cranksets to ensure a stable and secure drivetrain.

Is this kit compatible with Shimano 105 and Ultegra?

Yes, it is compatible with Shimano 105 FC-R7000/R7100 and Ultegra FC-6800/R8000/R8100 cranksets.

Are the screws sold in sets of 4?

Yes, the kit includes 4 complete, ready-to-fit fixing screws.

Can I use generic screws?

This is not recommended. Shimano uses specific dimensions for each crankset and many users recommend using the exact reference Y1H598160 to ensure correct assembly and avoid play in the chainrings.

What tools are needed for assembly?

Tightening is generally done with a Torx T30 spanner suitable for Shimano screws.