Shimano Ultegra lock ring and spacer for cassette

Experience reliable performance with the Shimano Ultegra lock ring and spacer, designed for cassette models CS-R8100 and CS-R8101 with 12 gears. This product is an essential part of your bike's gear system, ensuring precise and efficient shifting.

• Shimano lock ring and disc: Specifically designed for the Ultegra group, ensuring compatibility and optimal functionality.
• Placement between cogs: Provides stable and secure mounting, supporting a smooth ride.
• Fits models: CS-R8100-12 and CS-R8101-12, making it a versatile choice for cycling enthusiasts.

With Shimano as a brand, you can expect high quality and durability, making this product a reliable part of your cycling gear.