RK Upgrade Kit Yamaha GTS1000 A/AC – E, F 530 Conversion 93-00 – 3602739RK. RK OE upgrade chain and sprocket chain and sprocket kits contain a heavier duty RK chain than that supplied as OE on the motorcycle when new. They are supplied with high quality steel sprockets. Terms and conditions apply. CHAIN RK GB530XSOZ1-118 GOLD. RK SPROCKET KIT BOX. Sprocket Front RK-C6186-17 JTF580 Afam 21602. Sprocket Rear RK-B6840-47 JTR859 Afam 12801. For full fitment details in a searchable list please check the FITMENTS tab. Yamaha: GTS 1000 A. Type : H Duty X Ring. ARKS Global is an online retailer established since 2014. Listing designed by ARKS Global Ltd.