The Shimano B05S-RX Disc Brake Pad and Spring - Resin Compound Back Plate is a high-quality replacement brake pad that is designed to deliver superior stopping power and long-lasting performance. This pad features a resin compound back plate that provides excellent heat dissipation and a consistent braking feel. The pad also comes with a spring that ensures proper alignment and a secure fit. The Shimano B05S-RX is compatible with a range of Shimano disc brake systems and is easy to install, making it a great choice for any cyclist looking to upgrade their braking performance.