Sensors will work with all valve stems – However, rubber 90° valve stems do not last as long as metal and depending on the age and quality of your rubber 90° valve stem you need to make sure they are in good shapeNo tire rebalancing is needed and each sensor comes with a patented anti theft ring to not only prevent theft, but loss from improper installationThe sensors have a unique 20 minute battery saver mode as well as G-Force sensing to wake them upEasily mounts to round handlebars or can be face mounted to the brake cylinder face clampThe handlebar clamp assembly will allow fitment on 7/8'', 1'', or 1-1/8'' handlebars