The E-bike GAIN D30 equipped with Shimano GRX 11-40t, 11 speed and hydraulic brake disc. It is designed to offer maximum performance on the road and little bit of-road, with a lithium battery in the box that provides you with support in those endless mountain passes. Autonomy 40 - 50 Km and 1,000 meters accumulated slope approx. (250 Wh battery). Electric bicycle designed for experienced cyclists who need an extra supply of energy at specific periods along the route. It is not a touring Ebike.