Parts catalog suitable for Hercules K 50 SE, K 50 RE, K 50 Sprint, MK 3M, MK 4M, DKW RT 159 E, RT 159 ES, RT 159 Jet, 139 M. Reprint. For legal reasons, the Hercules logos have been removed from the catalog. All chassis parts are listed. DIN A5 with 35 pages.