The straight locknut Shimano FH-RM66 is an important component for your bicycle. Manufactured by the renowned brand Shimano, this locknut guarantees exceptional performance and durability. The straight locknut has been specifically designed for Shimano hubs. It provides a precise and secure fit, ensuring that your bicycle operates smoothly. Thanks to its high-quality construction, it withstands shocks, vibrations, and the harshest weather conditions. By using the straight locknut, you can be confident that your hub is securely in place and will not cause any issues during your rides. Discreet and lightweight, it integrates seamlessly into your bicycle without disrupting the overall design. Whether you're a casual rider or a professional, you can rely on the reliability and performance of the straight locknut. It is easy to install and requires no special technical knowledge. Choose quality and durability with the straight locknut. Enjoy a confident ride and ensure that your bicycle is equipped to handle all challenges. Don't let a low-quality locknut hold you back. Opt for trust and top performance with Shimano.