The Acerbis X-Factory Handguards feature a steel bar wrapped with an injection molded Nylon composite. A replaceable dual injected polypropylene shield, mounts to the bar offering un-surmounted protection from roost, debris, and extreme conditions. Comes with both left and right handguard and universal mount kit. Designed to work with either 7/8", 1 1/8" or twin wall handlebars. These will work on ATV's but you must purchase the Acerbis ATV Handguard Adaptor sold separately.