Features: Carbon fiber construction with a soft leather surface,PU and dual-density gel foam fillings are soft and elastic, helping you avoid cycling pain and enjoying longer bike rides Easy to install: easy to install, low cost solution will make your saddle feel much better Ultra-wide profile and soft foam filling for more comfort; Double springs provide excellent cushioning and shock resistance Hollow design: The center hollow provides relief from static and ventilation. This bicycle seat relieves the pressure of the perineum and provides airflow and comfort during long-distance cycling. General purpose: Suitable for common standard seats, such as mountain bikes, road bikes, folding bikes; for double track seat tube and clip seat post Material: Soft leather Gel + Carbon Fiber Color: Black 3k carbon fiber+leather Size: 240*143mm or 240x155mm Weight: about 135+/-20g Oval bow:7*9mm Category: Front Seat Mat Use : MTB/Road Bicycle Package List:1 PC Bike Saddle