General description For use when guiding new cables through an internally routed frame, the Laser Tools LTR Internal Cable Routing Tool 8174 utilizes magnets to simplify a task that can often be time-consuming and frustrating. This internal cable routing tool kit is designed for threading both inner gear and brake cables through the frame with ease. Technical specifications Compatible with inner gear & brake cables Suitable for Shimano Di2 wires (e-Tube cables) Works with outer gear & brake housing Compatible with hydraulic brake lines Applicable for aluminium, titanium, and carbon fibre frames Other information Supplied in a storage case with an EVA foam tray