In addition to the conventional Standard bar ends, the Classic series impresses with its high-quality workmanship & homogeneous shape. The bar ends are designed for 22 mm aluminium bars with 4 & 5 mm walls. Features Bar ends for high handlebars made from light alloy with 4 & 5mm wall The bar ends can also be used for other aluminium bars of the same wall thickness Mounting by a spreading device, activated by a screw. Therefore a change is fast & uncomplicated.