?????????????FOLDABLE DESIGN?Now you can take your bike where ever you go without the need for those pesky bike racks or risking the dangers of locking it up in public spaces. The bike folds neatly in about 15 seconds so can store it perfectly in the trunk of your car, Take it with to the office, or store neatly in a closet. Bike offers you a great ride with the added convenience of the portability. ?????????????21 SPEED?: The indexed AceTT rear derailleur combines with the micro-shift twists shifter to deliver 21 speeds on-demand for uphill Climbing, downhill riding, or pure acceleration; removable rear derailleur guard ensures consistent gear operation ?????????????UNIQUE TIRE? 26 inch dual spoke fashion rim tire is more secure and firm. It has 21 speeds to cope with hilly terrain, and the gear shifting is great and smooth. All-terrain, wide-knob mountain tires sit on lightweight and durable alloy wheels for added stability. ?????????????ADJUSTABLE HANDLE & SEAT ? Made of high quality aging resistant rubber and aluminum alloy rims, the tires are non-slip and difficult to pierce. So you can use it on a mountain road or on a rugged road. Not only that, the height of the seat and handle can be adjusted to provide you a better comfort experience. ?????????????ENJOY CYCLING?Stunt bike perfect for mountain, wasteland, also effective on the road, trail, city, beach or the snow, etc. The front and rear disc brakes and help keep the cyclist safe even in high speeds and down sloppy terrains. You will also have more control on when and where to stop.