A High Quality Rear Brake Cable from All Balls. Black PVC outer jacket for maximum flexibility and durability. Steel inner casing that is tightly coiled for low compression. A pre-lubricated nylon inner sleeve guarantees smooth operation and long life. All wire ends are bird caged prior to terminal casting for superior pull-out resistance. EPDM molded rubber components for high UV resistance and long life. Injected molded components are manufactured from high strength POM material