Size and fit Length: 1.6 m (62.99 in) Inner diameter: 6 mm (0.24 in) Outer diameter: 12 mm (0.47 in) Suitable for variable speeds, brake lines, and hydraulic tubing within 6 mm outer diameter Internal housing damper Reduces vibrations and noise of the inner tube inside the frame Helps prevent friction between the inner tube and the frame Provides internal protection for the frame Package contents Frame Internal Cable Housing Material and durability Spongelike bike cable housing Wear resistant, soft, with good elasticity Flexible for longterm use Key benefits Improves internal cable routing by providing a damped, quiet, and protected path Maintains smooth operation for brake lines and hydraulic tubing within the specified diameter 23 practical use scenarios Upgrading a bike with internal routing: external cables with this internal housing to achieve a clean, clutter frame interior while maintaining function for brakes and shifting Custom frame builds or retrofits: Route cables inside frames that require compact housing with the given dimensions vibration riding environments: The internal damper reduces noise and vibration, contributing to a quieter ride and less wear on frame components Notes Compatible with cables and lines that have an outer diameter within the stated 6 mm specification The housing length is designed for flexible installation across a range of frame layouts