BlackStar D100F35 - Double Strand 100 Pitch QD Sprocket - 35 ToothThe BlackStar D100F35 is a 100 pitch double strand QD roller chain sprocket with 35 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 D100F35 Chain Pitch 100 Number of Teeth 35 Maximum Bore 3 15 16" Bore Type QD Hub Style QD Bushing Required QD Type F Bushing Strand Count Double