Throttle sleeve is installed

Dimensions: 1-3/4" (4

USA manufactured from aluminum with 6061 billet aluminum end caps and collars

If you don't want to use an instrument

Mikuni N100

avon super sport air ss handtag Color:Chrome Throttle sleeve is installedSimilar to the Avon air cushioned grips, the Air SS incorporates a system of airpockets inside the grip to dampen vibration, but Air SS grip does not have any surface bumps but a consistant surface diameter. Complete with an grip enhancing knurled texture with 6061 billet aluminum end caps and collars. USA manufactured. For 1" handlebars Fits: 96 21 H D with dual throttle cables (excl. Street)