Zacro Gel Bike Seat Cover- BS031 Extra Soft Gel Bicycle Seat - Bike Saddle Cushion with Water&Dust Resistant Cover (Black) Best gel material: You cannot enjoy your bicycle leisure time when you are suffering pain Enjoy longer riding: Explore new grounds and enjoy longer rides on your bike Easy Installation: Easy to mount, low cost solution will make your saddle feel much better Common Dimension: This gel seat saddle dimension is 11* 7inch The bike seat also fit for Spins Class and Indoor Cycling. Please confirm this bike seat cushion can fit your original bike seat before ordering.