Bontrager Aeolus RSL Bike SaddleThe Aeolus RSL brings comfort, power and speed to cyclists looking to dig deep and rotate further forward into more aero positions. The Race Shop Limited design was developed with the racers from Trek Factory Racing using uber light carbon rails and a shell that meld together with minimal padding for a saddle that looks fast as it rides. A shorter overall length, wider nose and full cut out eliminates soft tissue pressure.