Shimano lock ring and washer for Dura Ace

The Shimano lock ring and washer are essential components for your Dura Ace brake disc, model SM-RT900. This product ensures a stable and secure mounting of the brake disc, which is crucial for optimal braking performance.

• Fits Dura Ace Brake Disc: Specifically designed to match Dura Ace brake discs for precise fit.
• Easy Installation: Included lock ring and washer make installation quick and simple.
• High Quality: Manufactured by Shimano, known for their reliable and durable bicycle components.