Pupular Electric bicycle with EN15194 1) 250W motor 2) Lithium battery,36V/10Ah 3) Alloy frame 4) Japan ... bicycle with EN15194Motor of electric bicycleRear drive, 250W, brushless, hub, 8FUN(famous brand)(best motor in China, high efficiency and durable)Battery ... /40'GPOptions (not free)front light & rear light, front-drive motor, lock, 36V/9Ah Samsung li-ion battery, 36V/9Ah Panasonic ...