BlackStar D60CTL45 - Double Strand 60 Pitch Taper Lock Sprocket - 45 ToothThe BlackStar D60CTL45 is a 60 pitch double strand Taper Lock roller chain sprocket with 45 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Taper Lock Bushing (sold separately). Specifications Part Number D60CTL45 Chain Pitch 60 Number of Teeth 45 Bore Type Plain Bore Hub Style Taper Lock Bushing Required Taper Lock Bushing Strand Count Double