Ocelová vratná pružina páčky spojky Goebel pro Hercules Prima, Presto, Pronto, Prima GT, GX, Supra 4 GP, MK 2, KX 5, Enduro, K 50 SE, RE, SL, RL, SX, RX, Ultra, KTM Bora 25, SM 50, Comet, DKW RT 159