Features: The Bike Frame Internal Dampener effectively absorbs sound and reduces vibrations, ensuring a quieter cycling experience. Crafted from Sponge materials, the foam sleeve provides excellent cushioning for your bike's internal lines. Designed for brake lines and hydraulic hoses, this dampener is suitable for a wide ranges of bike. Whether you're a casual cyclist or an enthusiastic cyclist, this bike frame internal dampener is a valuable addition to improve your biking experience. Install this dampener to minimize noise and vibrations during your rides, allowing you to fully enjoy your cycling journey. Specifications: Material: Sponge Quantity: 1Pc/2Pcs Length: approx. 1.5meters/59.05inch Inner diameter: approx. 6.5mm/0.25inch Outer diameter: approx. 11.5mm/0.45inch Package Includes: 1/2Pcs Foam Sleeve Hose note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.