RK Upgrade Kit Yamaha YZF-R6 – 530 Chain Conversion 03-05 – 3602759RK. 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 GB530XSOZ1-116 GOLD. RK SPROCKET KIT BOX. Sprocket Front RK-C6186-16 JTF580 Afam 21602. Sprocket Rear RK-B6833-48 JTR1479 Afam 16502. For full fitment details in a searchable list please check the FITMENTS tab. Yamaha: YZF 600 R6. Type : H Duty X Ring. ARKS Global is an online retailer established since 2014. Listing designed by ARKS Global Ltd.