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 stored in a convenient compact case. A true time and frustration saver! Includes five 188 cm (74") guide cables with attached magnets and unique fittings: Barbed adapter — Threads into the end of brake & shift cable housing as well as hydraulic brake hose Rubber adapter — Securely holds electronic shifting wire such as Shimano® Di2, SRAM® RED® eTAP®, FSA® K-Force® WE®, and Campagnolo®