Sale by meter: Standard spiral wound brake cable housing with internal lubricating liner for smooth running of the brake cable. Outside diameter: 5 mm. Special spring wire and manufacturing technology of the threads of the spiral ensures minimal differences between pulling of the housing at low and high temperatures. If you ride all year round, this casing wire belongs to the brake casing with minimal compression and dilation. In winter at lower temperatures will not drop the effectiveness of the brakes, as with the cheaper and older casing.