The Shimano 105 RD-5700 Pulley Set is designed for use with Shimano 105 5700 series rear derailleurs. This set ensures smooth, precise shifting and optimal drivetrain performance. Made with high-quality materials, the pulleys are durable and long-lasting, making them an ideal replacement for worn-out components. With easy installation, the RD-5700 Pulley Set helps maintain the efficiency of your Shimano drivetrain.