RK Upgrade Kit For Suzuki GSX-R1100 WL /WM /WN 530 Chain Conversion 90-92 December 6, 2023 admin 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. Suzuki: GSXR 1100L, GSXR 1100M, GSXR 1100N. This includes Republic Of Ireland.