The Tusk Handlebar Riser Kit makes it easy to increase the handlebar height on your motorcycle or ATV. Tusk handlebar risers are made of heavy-duty 6061 T-6 aluminum and come with high-quality 12.9 chromoly steel bolts. Tusk makes handlebar risers for both 7/8-inch and 1 1/8-inch handlebars. Additionally, the risers are available in 15 mm and 30 mm heights. Think Tusk for quality parts and accessories (like these handlebar risers) for your motorcycle or ATV.