For 4.5 gallon tank models. The Solo is built to streamline and compliment your motorcycle while maintaining the comfortable ride you have to come to expect from every Saddlemen seat. Built with exclusive Gelcore Technology and featuring a beautiful lattice stitch pattern keeping the rider classy and comfortable for miles. The seat combines a Gelcore interior and ProFoam Channel design to provide Harley riders with unparalleled comfort and modern styling. The Co-molded Gel-Core is the largest comfort advancement in motorcycle seating since the creation of the suspension. GELcore Technology reduces direct impact forces by up to 92%. GELcore Technology reduces vibration transmitted to your body by up to 50%. Installs easy with all necessary mounting hardware and instructions included. Made in the USA.