Noise Reduction for Internal Cables: Designed to reduce vibration and noise from internal cables, this foam sleeve is perfect for use in bicycles with internal cable routing Durable Material: Made of high-quality foam, this sleeve offers excellent toughness and high tensile strength. It is built to withstand constant cable movement and long-term use without wear or tear, providing lasting performance Enhanced Riding Experience: By eliminating cable rattling inside the frame, this foam sleeve ensures a quieter and more comfortable ride, making it ideal for long-distance cyclists or anyone seeking a smoother cycling experience Easy Installation: The 1.5m long tube can be easily cut to fit different bike frame sizes and internal routing configurations, offering hassle-free installation and adaptability for all types of bicycles Specifications: Material: Foam Size: Length: about 1.5m, inner diameter: about 6mm, outer diameter: about 12mm Applicable: Suitable for gear shifters, brake cables, and hydraulic lines with a diameter under 6mm Package included: 1 x Sound Absorbing Hose