The Exposure Storm Cap for Smart Port is a neat silicone dust cover for the charge port. Flick open for charging and seal up when on the bike to keep the port clean and clear for the next use.Compatib more→ility: Six Pack, MaXx D, Toro, Race, Strada, Equinox, Diablo, Axis, Joystick, Sirius, Blaze, Zenith