Lithium Battery Assist For Off-road Electric Bicycle $ 1464.33 Product information : Frame material: aluminum alloy Load capacity: 150kg (inclusive)-200kg (exclusive) Color Classification: A: Fashion version/mechanical disc brake/lifetime about 200KM B: Premium version/180# racing oil dish/pure electric battery life is about 200KM C: Fashion version / mechanical disc brake / battery life about 250KM D: Premium Edition / 180# Racing Oil Disk / Endurance about 250KM Pure battery life: 65km and above Battery capacity: 10AH 15AH 20AH 32Ah 25AH Body weight: 25kg (inclusive)-50kg (inclusive) Vehicle mass: 30kg Top speed: 25km/h and below Packing list: Electric mountain bike*1