Retaining rubber MOGA M6 x 10mm rubber 20mm black for Hercules K 50 Ultra II LC, Ultra, Sprint, SE, RE, SL, RL, Supra 4 GP, KX 5, 80 Chopper, MK 1, 2, DKW RT 159 E, ES, Jet, 139 M, Prima GT, GX, Pronto type 544-001, Presto 544-002, G3, 4GP, Enduro XE 9, S