Pro Taper Contour 1-18" Oversized Handlebars Pro Taper has set the bar with these Contour 1-18" Oversized Handlebars. Made from aerospace 2050 aluminum, this handlebar will give you the flex you need to relieve armpump but stay rigid enough to give you the confidence to jump even the biggest jump. Pro Taper Contour Handlebars are made with aerospace 2050 aluminumNew chemically applied "un-sticker graphics"Knurled clutch side for secure grip hold14" cut guides for precise modificationPrinted position guides and model name on barIncludes new high-density molded bar padNote Must use handlebar mounting adapter when switching from 78 handlebars to 1-18" oversize bars, or 1-18" handlebars to 78. Optional Universal and Bike Specific bar mount kits are available for most models.