Trek Aeolus RSL Bicycle Saddle Aero speed meets ergonomic comfort Cyclists seeking the most aerodynamic position with a significantly tilted pelvis will find comfort, power, and speed with the Aeolus RSL. The Race Shop Limited design was developed in collaboration with the riders of Trek Factory Racing and features extremely lightweight carbon saddle rails and a carbon saddle shell with minimal padding. This saddle not only looks fast; it is fast. The shorter length combined with a wider nose and full cut-out minimizes pressure on soft tissue. Product details The Race Shop Limited design was created for the demands of Trek Factory Racing Short profile offers targeted support for riders of all genders in an aero riding position Full saddle cut-out minimizes pressure on soft tissue and enables a more efficient pelvic position Saddle shell and oversized carbon rails keep the weight extremely low while providing exceptional comfort The minimalist, glued padding saves weight and provides a sleek high-end look The two available sizes optimize fit to the sit bones and relieve soft tissue Separately available Blendr accessory mount allows for seamless integration of a rear light Saddle shell material: Carbon-reinforced saddle shell Rail dimensions: 7x10 mm carbon Weight: 150g Original part number: 5311615