The Serfas EX-RXL Exerciser On Rails is designed for use as a stationary bike exercise saddle.
Features a super comfortable gel top layer, progressive foam technology, Deep Groove™ Design, and four-way stretch moisture-wicking Lycra cover, Pressure Eliminating Channel, Zero-Friction Gel Infused Padding, Twin Bar Anatomical Flex, I.C.S.® Infinite Comfort System, Dual Density® Base, Press Reducing Two Step System.
