Feature: 1. This is a bicycle sponge protection hose that can reduce friction, effectively protect the bicycle and prolong its service life. 2. Can avoid the abnormal noise caused by the friction between the transmission cable and the brake cable and the internal frame. 3. Made of sponge material, no irritation, no pollution, no harm to the environment, corrosion resistance, acid and alkali resistance. 4. Use insulating materials, high elasticity, soft texture, and good anti‑vibration effect, which can increase the life of the bicycle. 5. With wide applicability, this foam hose is widely applicable to mountain bikes, land bikes and general bicycles. Specification: Item Type: Foam Tube Material: Sponge Size: Length: Approx. 130cm / 51.2in, Inner Diamter: Approx. 0.7cm / 0.28in(The Size is Measured Manually, There May Be Small Deviation) Usage: Avoid Friction Between the Transmission Cable and Brake Cable and the Internal Frame to Produce Abnormal Noise. Package List: 1 x Foam Tube