MX Seven Serfas EXRX Twin Bar Design RX Exerciser On Rails

Twin Bar Design, Dual Density Base, Steel Rails, Sweatproof Vinyl Cover, Features a comfortable gel top layer, The Serfas EX-RX Exerciser On Rails is designed for use as a stationary bike exercise saddle, Progressive foam technology, Deep Groove Design, Central Pressure Eliminating Channel, Press Reducing Two Step System, Zero-Friction Gel Infused Padding, Twin Bar Anatomical Flex, I.C.S. Infinite Comfort System