The Air Ride for you hands. USA made and functional with a great feel. Rubber of special core bars is used to create air pocket inside the grip body, improving the ride in general and helps eliminate the tingle sensation you may have after a long ride. Soft serrated texture for no hand-slip. Easy on the eyes are the 6061 billet aluminum end caps and collars. - For 1 inch handlebars - Fly-by-wire - Dimensions: Inside length = 4.600" OD = 1.625"