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. Center core is made of plastic and not solid ALU!!
USA manufactured - For 1 inch handlebars - Fly-by-wire
CABLE Fits: > 74-20 H-D with single or dual throttle cables (excl. Street)
E-Throttle Fits: > 08-20 H-D with e-throttle (excl. 18-20 FLTRXSE)