- Steel construction for durability This shock absorber spring is built from steel, delivering reliable performance and long-lasting durability under regular use. - Double-layer spring design for load capacity and smoothness Equipped with a double-layer spring to enhance load capacity and effectively absorb shocks, providing a smoother and more comfortable ride. - Simple and stable structure Features a straightforward design with the spring as the main body and a steel shaft used as the axle, offering high strength and good break resistance. - Efficient shock absorption for foldable bicycles Designed to absorb shocks efficiently, enabling easy control on different road surfaces and delivering a comfortable, stable riding experience. - Compatibility and practical design Specifically tailored for foldable bicycles, ensuring robust performance and dependable operation with compatible frames and setups. Use scenarios - City commuting on rough or uneven pavement Ideal for daily rides where potholes, cracks, or cobblestones would otherwise impact comfort and control. - Recreational riding on mixed surfaces Suitable for park paths, light gravel, and varied terrain, helping you maintain stability and comfort during longer rides. - Travel and everyday use with a foldable bike Provides reliable shock absorption and smooth handling in urban environments, making folding-bike trips more comfortable.