The cube stereo hybrid 140 hpa pro 500 275 mountain bike 2017 has turned out to be one of the most popular full suspension e bikes with cycling magazines and websites it39s completely changed the face of e mountain biking the reason for this is as trivial as it is obvious it39s an e bike that rides in a strikingly similar way to a conventional mtb more so than any other e mtb whether climbing or descending the stereo hybrid hpa 140 pro will leave you breathless