Nitromousse 5150 Medium is the original mousse insert for the TUbliss System, delivering increased traction, stability, and rim protection. Designed for 18-inch enduro and hard enduro tires (110-140), it provides a soft, controlled feel equivalent to approximately 0.7-0.8 bar tire pressure. Includes NitroLube mousse gel and a premium rim sticker kit. For use with an existing TUbliss system only.