The haibike sduro nduro 70 electric mountain bike 2017 is the ultimate uplift service featuring 180mm of travel amp the all new yamaha pw x drive unit it39s the perfect big terrain electric bike the robust yet light aluminium frame of the sduro nduro has a haibike gravity casting interface design this connection point at the center creates a stable interface for the engine mount swing arm shock mounts and the battery downtube connection the haibike sduro nduro 70 has a u