Internal Housing Damper: Features decrease the vibrations and noise of the inner tube of that frame, effectively decrease noise, and avoid friction between the inner tube and that frame, which effectively protects that frame internally : Bike cable housing is sponge, which is wear resistant, soft, good elastics, flexible use for an long while Wide Applications: bike cable housing for mountain bikes, road bikes, shifts cable, hydraulic, and brake lines Package Include: Frame Internal Cable Housing, the cable housing can be trimmed into suitable lengths for the bike cable to meet your need Product Size: Length 1.6m / 62.99inch, Inner Diameter 6mm / 0.24inch, Outer Diameter 12mm / 0.47inch, suitable for variable speeds, brake line, hydraulic tubing within 6mm outer diameter, Manufacturer: Pffiocix