Product name:Bicycle frame internal alignment tool Product color: As shown in the figure Product material:Aluminium alloy+Stainless steel+Magnet product features: 1. Wide compatibility: It is compatible with different wires and oil pipes, convenient and quick and not easy to loose and fall off in the middle. 2. Metal traction joint design: When the threading situation is complicated and the fast traction rubber sleeve is not capable of doing the job, use the metal traction joint! 3.Quick traction rubber sleeve: quick release design, convenient and practical, it is made of soft rubber with good elasticity, rubber sleeve use requirements: threading aperture diameter >8mm/0.31in. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Aluminium guide main magnet 1 pc Tow rope 150cm 1 pc fast towing rubber sleeve 1 pc guided magnetic rope 1 pc Di2 wire connector 1 pc Inner wire connector 1 pc Shift/brake hose connector 1 pc Chinese and English manual 1 pc Storage box