Features: 1Ideal Replacement: Good for replacing worn cable end cover, suitable for all brake and chain puller internal cables. Place the lid on the end of the wire and secure it gently with wire cutters. 2Manufacturing Material: Made of high quality aluminum alloy material, can withstand greater pressure and impact, bright color, durable, and can be used for a long time. 3Wide Applicability: Suitable for bicycle brake line caps, can effectively prevent brake cable bifurcation. 12mm / 0.5in length, suitable size, easy to put in place of need. 4Practical Technology: The utility model is mainly used for the rear part of the brake wire core and the rear part of the transmission wire core to prevent the end of the wire core from being split. Installation requires clamping with pliers. 5Simple Operation: Simple to operate, easy to use, easy to install and disassemble. Without any difficult requirements even though you use it for the first time. Item Type: Bike Brake Line Core Cap Weight: Approx.17g / 0.6oz Material: Aluminum Alloy Length: Approx.12mm / 0.5in Package Included: 50 x Wire Core Caps