HK Brand Overlay 420 Chain Sprocket Original HK Overlay sprocket for 4 bolt rear hub using the standard 36 tooth factory sprocket. These were an aftermarket supplier for Hodaka and came gold anodised alloy. These have been on the shelf for 50+ years and may have minor scratches, marks, and discoloration. Very Limited Quantities. Use the dropdown menu for the size you are needing.NOTE: We have 1 56t usuing a 32t primary sprocket.