Fits Axle Tek, Dexter 7 inches x 1-1/4 inches and 7 inches x 1-3/4 inches hub drums and idler hubs; for electric and hydraulic brakes * Replaces Dexter K71-306-00 * Also fits Hayes 10 inches x 1-5/8 inches; 10 inches x 2-1/4 inches; Al-Ko 10 inches x 2-1/4 inches and Fayette 10 inches x 2-1/4 inches