BlackStar 100F80 LH - 100 Pitch QD Sprocket - 80 ToothThe BlackStar 100F80 LH is a 100 pitch QD roller chain sprocket with 80 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Type F Bushing (sold separately). Specifications Part Number 100F80 LH Chain Pitch 100 Number of Teeth 80 Maximum Bore 3 15 16" Bore Type QD Hub Style QD Bushing Required QD Type F Bushing Strand Count Single Material Steel