The Kappa DEA 2 is designed specifically for the female anatomy and can be used for road, off-road or E-Bike disciplines The semi-round shape provides comfort no matter what it's being used for and is ideal for long distance riding The cut-out has been specifically made for the female anatomy with 2 levels of padding to help relieve pressure better For even more comfort, this saddle provides a 147mm wide seating area Rail Material: T2.0 Steel (7mm Diameter) Compatible with 99% of Seatposts