The Shimano AM903 Speed Lace Replacement Kit, part number ESMSHAM903, is designed to restore the secure and efficient lacing system of Shimano AM903 shoes. This kit includes high-quality replacement laces and components, allowing for quick and precise adjustments, ensuring a snug fit and optimal performance during aggressive riding conditions. Ideal for maintaining the durability and functionality of your cycling shoes. This can be used to replace most speed lace systems on most Shimano shoes. This is their most current speed lace kit.