The stereo hybrid 140 demonstrated the enormous potential of an all mountain e bike the stereo hybrid hpa 160 race takes it a step further crossing the threshold to genuine e enduro its high performance aluminium hpa frame was specially designed from the ground up and together with its high quality components guarantees breathtaking riding performance this is a bike on which the boundary between uphill and down quite simply disappears the heart of the stereo hybrid 160 is a complex hpa