Features: This bicycles internal cable routing tool set provides a efficient solution for installing brake cables in internal routing frame. Constructed from aluminum alloy and stainless steel, it features guides that fit frame, offering robust compatibility and long terms performances. Designed for cycling enthusiasts and riders who regularly perform brake systems maintenance or upgrades on road, mountain, or hybrids bicycles. Ideal for use during bike assembly, routine tunes up, or when converting external cables to internal routing systems to achieve a aerodynamic look on modern frames. Remember to after installation to prevent leaks, and note that this tool is not suitable for steel frames to maintain optimal safety and functionality. Specifications: Materials: Aluminum Alloy+Stainless Steel Color: As The Picture Shows Styles: (Optional) 2 Styles are Available as Shown in the Picture. Size: As The Picture Shows Package Includes: 1 x Bicycles Internal Cable Routing Tool Set note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!