KEHOMY 26 21-Speed Bicycle for Adult, Front and rear shock absorption, Camping Bicycle, Height Adjustable ,Mountain Bicycle for Roadways, Mountains bike,Green

You can choose to hang on different discs of the main and driven wheels to get 21 different speeds to facilitate your ride in different weather and on different roads.This bike is equipped with a highly sensitive dual braking system that always protects your riding safety ????? ??? ??????? ?????? --