20-Inch High-Carbon Steel Speed Folding Bicycle, Portable Riding Adult Student Mountain Bike, Shock-Absorbing Integrated Wheel Bicycle

Quick folding design: It can be folded in just three seconds， which is convenient for carrying and storage. After folding， it is compact and can be easily put into the trunk of the car， suitable for taking the bus or subway., Lightweight high-carbon steel frame: The frame is made of thickened carbon steel， which takes into account lightweight and load-bearing capacity， has strong corrosion resistance， and ensures safety and stability for long-term use., Ergonomic and comfortable seat: The soft seat with ergonomic design is made of soft materials， which will not make you feel tired when riding or sitting for a long time， providing excellent riding comfort., Efficient shock absorption system: The central spring shock absorber can effectively buffer road bumps， provide a smooth and comfortable riding experience， and is suitable for riding needs in various road conditions., Wide wear-resistant tires and alloy wheels: The wide tire design increases grip， and the alloy integrated wheels enhance load-bearing capacity and durability， ensuring that it can easily cope with various road conditions.