PU Leather Artificial Fat Gel-The surface of the bicycle saddle is made of wear-resistant non-slip PU leather. The inner layer is artificial oil gel. By reducing pubic bone pressure by 40%, the material has a comfortable fit sciatica. PU leather artificial oil gel can provide maximum comfort prevent cycling pain. Hollow Ventilation-Narrow round curved curve in the front effectively reduce nerve pain sciatica. The bicycle saddle adopts a hollow center design, so that the saddle has enough ventilation space, dissipates heat faster, can reduce moisture caused by sweating during long-term riding., The circulation of the air is kept dry to make riding more comfortable. Foldable Spring Support Structure-The foldable spring support structure at the bottom provides strong suspension a firm grip. The bicycle seat has a reflective light, the reflective design that reflects surrounding light can protect night riders. The surface of our gel mountain bike seat is also etched with a non-slip pattern, so you can ride without stress, which helps you ride more comfortably. Seat Support Bar Removable-Universal removable seat spacer supports dual way universal mode. The gel bike saddle is suitable for most types of bikes is easy to assemble. Ideal for mountain biking or racing. Whether you are riding in the mountains or in the forest, it can provide good shock absorption avoid the pain caused by the uncomfortable seat.