The haibike sduro hardseven 40 electric bike 2017 is the perfect choice for those looking for an ebike that39s suited towards xctrail terrain and long distance touring with an entry level build that incorporates a set of great value components without having to compromise on quality haibike sduro hardseven 40 2017 features 100mm front travel yamaha drive unit 275 wheels sduro hardseven 40 2017 spec highlights sr suntour xcm rl ds forks shimano acera 9