Description: Premium and Reliable: Bike cable housing is made of high quality sponge material, which is wear resistant, soft, good elasticity, flexible durable use for a long while. Internal Housing Damper: Features decrease the vibration and noise of the inner tube of the frame, effectively reduce noise, and avoid friction between the inner tube and the frame, which effectively protects the frame internally. Product Size: Length 1.5cm/0.59inch, Inner Diameter 6.5mm/0.26inch, Outer Diameter 1.15cm/0.45inch, suitable for variable speed, brake line, hydraulic tubing within 6mm outer diameter. Wide Application: Universal bike cable housing for mountain bikes, road bikes, shifter cable, hydraulic, and brake lines. Package Include: 1Bike Frame Internal Cable Housing, the cable housing can be trimmed into suitable lengths for the bike cables to meet your needs. Specification: Material: Sponge Size Chart: Length: about 1.5cm/0.59inch Inner diameter: 6.5mm/0.26inch Outer diameter: 1.15cm/0.45inch Package Includes: 1Bike Frame Internal Cable Housing Note: Please allow slightly errors due to manual measurement and different monitors.