The perfect upgrade for the passenger seat of your K 1600 GT. The original seat has an unfavorable design that puts strain on the coccyx. Additionally, the width puts uncomfortable pressure on the inside of the upper thigh. This results in many riders adopting an unrelaxed posture and developing tension. We replace the structure of the original seat with our own intensively developed foam core with an overhauled contour and innovative gel insert. In the process, we've kept both the original seat shell as well as the original seat heating..