These end caps are designed to prevent the ends of Shimano brake cables, which typically have a diameter of 1.6mm, from fraying. By securely enclosing the cable ends, they help maintain smooth and reliable braking performance. Inner Diameter: The inner diameter of these end caps is specifically matched to fit Shimano brake cables with a diameter of 1.6mm. This ensures a snug and secure fit over the cable ends, effectively protecting them from fraying and damage. Material: The end caps are typically made of durable materials such as aluminum or brass. These materials provide excellent strength and corrosion resistance, ensuring long-lasting performance in various riding conditions. Compatibility: The end caps are compatible with Shimano brake cables commonly used in road bikes, mountain bikes, and other types of bicycles equipped with Shimano brake systems. Installation: Installing the end caps is a straightforward process. After cutting the brake cable to the desired length, slide the end caps onto the exposed ends of the cable. Use a cable cutter to ensure a clean and precise cut before applying the end caps. By using Shimano Brake Cable Inner End Caps, you can effectively protect the ends of your brake cables from fraying and ensure consistent braking performance.