The Airstryke offers spring loaded armrests that will allow you to access the top of your base bar for that all important âclimbing positionâ. Our Airstryke⢠is so well established that many people in the world consider it synonymous with the term âaerobar.â FEATURES – MULTI-FIT System fits both 26.0mm and 31.8mm handlebars Includes F-19 length, width, and rotationally adjustableanatomic armrests 6061-T6 aluminum extension and forged brackets Length adjustable extensions Provided with climbing friendly flip-up ZB brackets Compatible with rigid ZB arm brackets & our Swiftshift Shot peened and anodized finish for extra strength and durability Matte black 692g