It is mainly used for end of the brake wire cores and end of the shifting wire cores It is close fit with the brake wire and have effective protections function Suitable for most kind of mountain bike, road bike, fold bike and other bicycles, convenience and practical Prevents the cores of wire form unraveling after cutting and resultings in unevenly force of the cores, also avoid you being poked by cable wire end Made from aluminum alloy, these cap is strong, durability and resistance to wear and tear, ensuring long terms use : Simply slide end cap onto the cable and crimps with plier for secures fit These end cap is suitable for most bike cable type and can used for both brake and derailleurs cable, Manufacturer: ZBIianxer