Package include: Our bicycle stringing tool includes 1*quick traction rubber adaptor，1*internal cable adaptor，1*Di2 E-tube adaptor，1*hydraulic brake adaptor，1*short magnet guide，1*long magnet guide，1*main magnet. Advantage 1：The main magnet has a strong magnetic force, which can easily guide your inner cable(or brake hose,electric wire etc.) freely through the frame. Note 1: It is only suitable for frames with inner cable diameter of 6mm or more. Advantage 2：The quick-release rubber adapter for quick installation of brake hoses, shift hoses, hydraulic hoses, inner cables, electric cables, etc. Note 2：Quick release rubber adapter only fit for 4mm-5.5mm hose or tube. Advantage 3：3 adapters fit for different bicycle brake hose、hydraulic hoses、brake cable、shift cable、DI2 E-tube installation in bicycle frame. Note 3: This bicycle internal cable routing tool does not work with steel frames. (It may cause insufficient or no magnetism when it works on steel frames) About installation：It is easy to use and more installation detail, please see our product description. If you receive the item that are missing accessories or have any questions about the installation, please email us in the first instance and we will actively work to resolve them for you. This Bicycle Internal Cable Routing Tool is works with most bikes.
Note: It is not suitable for bicycles with pure steel frame (it may cause insufficient or no magnetism and cannot work)
it is only suitable for frames with a cable hole of 6mm or more.
If you don't know how to install, you can watch the video we uploaded.
Or check the product's built-in English manual .