The result of years of careful German engineering, Nokon is the patented cable and housing system that is designed to provide the most flexible braking and accurate shifting ever achieved. Nokon cables and housing remain supple when braking, yet laterally stiff to ensure crisp shifting. Compressionless housing is resistant to kinking. Lighter than traditional housing. Aluminum housing won"t rust Enough for a complete brake or shifter setup. A complete bike setup requires two sets.