!! PLEASE NOTE - Mousse are stored in temperature conrolled enviroment at out supliers wharehouse, to keep mousse at optimum condition before shipping. Due to this fact delivery on mousses is 3 working days !! Nitromousse provides a much more progressive, predictable, and secure feel from the very first ride that will never leave you stuck with a flat! Nitromousse uses an incredibly tough micro-matrix of proprietary elastomers Increasing Durability