RK Xtreme Upgrade Kit Yamaha GTS1000 A/AC – E, F 530 Conversion 93-00 – 3602739XR. RK Xtreme OE upgrade chain and sprocket kits contain premium OE upgrade RK drive chain. Terms and conditions apply. CHAIN RK GB530ZXW-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 : Super HD X Ring. ARKS Global is an online retailer established since 2014. Listing designed by ARKS Global Ltd.