Kuryakyn 6343 Premium ISO-Grip with Throttle Boss For the rider who demands the ultimate in comfort and style, Kuryakyn offers the ISO-Grip. Styled to match the popular ISO-Pegs, they dampen handlebar vibration while providing a sure, cushioned feel for long haul comfort. Because of their unique removable end caps, this is one of the only custom grips available that may be used with stock air reservoir type handlebars. Includes throttle boss. Sold as a pair.