Wayel NEXT+, E-Bike, Motor power 250 W, Wheel size 20 , Warranty 24 month(s), Dark Grey, Extralong Battery 672 Wh, 48 V - 14 Ah; 3,3 kg, 8h. Multifunction control unit with backlight LCD display with 5 selectable assistance levels, USB socket. 7-speed Shimano. Pedalling sensor: Torque sensor