Park Tool IR-1.3 Internal Cable Routing KitPark Tool IR 1. 3 Internal Cable Routing Kit. Take the guesswork out of internal routing. The IR 1. 3 speeds the installation of internally routed cable housing electronic wiring and hydraulic hose into carbon fiber titanium and aluminum frames. The straightforward guide magnet system utilizes five long guide cables with unique fittings which can be routed through the frame in a number of ways using the included guide magnet. Everything is neatly