DUOTTS C29 Electric Bike 48V15Ah E-City Bike 29 inch E-MTB Range 100km with gift
Support App (DUOTTS) and C29 connection. Assistant Assist Mode Endurance: 100KM. SHIMANO 21-speed derailleur. The pedal crank hub has 3 gears and the rear flywheel has 7 gears! Electric Spec. Max Ride: 45 Degree.