Included Accessories: Bicycle lithium modification kit contains 48V 250W rear drive fly motor, 15A controller, S900 LCD meter, 130X shifter, 8C assist sensor, a pair of power off brake handle, motor extension wire, spoke, spoke nut, installation tools, and manual. Aluminum Alloy Wheel Rims: Brushless wheel hub motor selects aluminum alloy wheel rims, and adopts fine processing, effectively enhances the rims edge, lightweight, high end and generous, strong bearing capacity, comfort is far more than other types of motor, so as to achieve noiseless operation, let you fully enjoy the fun of ...