Description U Bolt Base For Motorcycle Bike Handlebar MountFits handlebars 3 4 to 1 1 4 in DIAMETER Reducer included Mounting Ball size 1This u bolt base contains a 1 rubber ball designed to sit at right angles to the mounting raiThe zinc coated metal u bolts accommodate rails from 0 5 to 1 25 in diameter The base also includes black cover caps to be placed over the exposedends of the u bolt as well as a RAP 319 shim to cope with 0 5 diameters Specification Mounting Type HandlebarMaterial Powder Coated Marine Grade AluminiumBall Size 1 25mm Rubber Ball B SizeU Bolt 1 Accommodates rails from 0 5 12 7mm to 1 25 35mm in diameter 2 Two u bolts supplied 1 x 11 x 1 25 3 Zinc coated steel not rust proof Ball Size 1 Rubber Ball B SizeBASE WITH 2 x ZINC U BOLTs for handlebars 3 4 to 1 1 4 in DIAMETER Reducer included Mounting Ball size 1 Note Please allow 1 3mm differs due to manual measurement Due to the different display and different light the picture may not reflectthe actual color of the item Thanks for your understanding Package Included 1 X Set of U Bolt Base Kit