BlackStar H100BS21 2 1/4 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2-1/4" Bore J com/s/files/1/0666/7721/products/2MR-3MR_00dd8862-7554-4a51-b194-25750a8259ba

com/s/files/1/0666/7721/products/2MR-3MR_00dd8862-7554-4a51-b194-25750a8259ba

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BlackStar H100BS21 2 1/4 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2-1/4" Bore J com/s/files/1/0666/7721/products/2MR-3MR_00dd8862-7554-4a51-b194-25750a8259baThe BlackStar H100BS21 2 1 4 K2S is a 100 pitch Finished Bore roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H100BS21 2 1 4 K2S Chain Pitch 100 Number of Teeth 21