Leather Works 312Xl Solo Swingarm The 312Xl is 2 wider than the standard 312 swingarm bag significantly increasing it's carrying capacity. The Leather Works 312Xl is the real deal! Crafted from 10oz American leather and stitched with industrial nylon, it is made to go the distance! Features: 10oz leather Mounts to the left swingarm with four belts Will not work with left side mounted license plate Dimensions: 11 1/2 L x 5 W x 14 H tapers to 7