Features: Hollow Ventilation Design: The hole in the center of the saddle reduces the pressure of sensitive parts of the body, keeps ventilation and makes riding more comfortable. Ergonomic Design: This bike saddle is ergonomically designed to be good for your cycling, fulfill at your fullest potential on a saddle that can match your strongest outputs. And it has excellent shockproof and maximum firmness. More Comfort for Both Men and Women: The bike seat made by artificial fatty gel. Compare to normal plastic polymer, the use of artificial fatty gel makes rider more comfortable by reducing 40% pressure towards prostate, sciatic area. Versatile: Whether it's mounted on your mountain bike or on your road bike as your comfortable replacement bicycle saddle, it will make your riding feel much better. Also, due to the included adapter and the universal standard rails system it can also fit other bike types like fixed gear or Indoor Easy Installation: Easy installation for bike seat which is suitable for all kinds of bike, Easy to wash, Best choice for riding essentials. Specifications: Name: Bicycle saddle Material: Wear-resistant sunscreen PU (UV highlight printing), high-strength PP base, steel seat bow Filling: High density polyurethane Color: Black, Red, Silver, Blue, Gradient Violet Weight: About 442g Size: About 15.5 * 17.5 * 5cm Notes: 1. Due to the effects of light and shooting angle, the actual color of the item may slightly differ from the color shown on the picture. 2. Due to manual measurement, please allow 1-3cm measuring deviation.Thank you for understanding includes: 1 * Back seat