Moose Racing has dedicated itself by providing the rider and racer with the highest quality and best performing products. With thousands of items from racewear to casual apparel, to boots and the finest in hard parts and accessories, Moose Racing offers the most comprehensive list of products in the industry to satisfy all of your riding needs. Made from 6061-T6 aluminum. Allows you to adjust the spring pre-load without having to remove the shock. Made in the U.S.A.