This tool helps you quickly and safely route wiring inside a bike frame. Features: - Rubber-coated stainless steel traction rope that does not damage paint - Aluminum alloy traction rope with quick-disassembly design for easy use - Includes three metal connectors to handle complex wiring conditions - Multi-functional strong magnet for easily retrieving the traction rope - Comes with a storage box for convenient organization and portability Specifications: - Type: Type A, Type B (optional) - Main color: Blue - Material: Aluminum alloy + stainless steel - Compatible with carbon fiber, titanium alloy, and aluminum alloy frames - Magnet size: - Type A: 43 x 12 x 8mm / 1.7 x 0.5 x 0.3in - Type B: 50 x 15 x 9.7mm / 2.0 x 0.6 x 0.4in - Package dimensions: 90 x 67 x 30mm / 3.5 x 2.6 x 1.2in - Package weight: 61g / 2.2 ounces Notes: 1. This inner wire routing tool is not suitable for steel frames. 2. Designed for frames with an internal diameter of 6mm or larger. 3. After installing the brake oil hose, cut 10mm from the hose end connection to prevent oil leakage. Packing List: - 1 x Magnet - 1 x Aluminum Alloy Traction Rope - 3 x Metal Connector - 1 x Guide Rope - 1 x 1.6m Connect Rope - 1 x User Manual - 1 x Storage Box