Show and write also include examples details on the recent business that develop or make a bicycle that uses a battery to change gears

depending on the slope of the road, the battery of the bicycle will be used in the selection of gears to make the user be aware of the speed

to use in a given path. On the handle there will be two buttons one on the and one on the right. The buttons on the left will be used to

change the middle$/$ forward gear and the one on the right will be used to change the backward gear. The business$/$ company will use a

recycling program to get the frames of old bicycle including piece by piece materials that are of steel product and will also install the

battery on the moving bicycle. The battery will be designed in a way that show the bar of the power in the battery. The battery will be

created with a little solar charging and power charging where one of the charging can be used.