BlackStar 40BS51 1 1/8 K2S - 40 Pitch Finished Bore Sprocket - 51 Tooth - 1-1/8" Bore Mariner com/s/files/1/0666/7721/products/MXL_XL_L_H_Timing_Belt_5a1f0044-aeff-4f78-bc1d-bc45996ce432

com/s/files/1/0666/7721/products/MXL_XL_L_H_Timing_Belt_5a1f0044-aeff-4f78-bc1d-bc45996ce432

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BlackStar 40BS51 1 1/8 K2S - 40 Pitch Finished Bore Sprocket - 51 Tooth - 1-1/8" Bore Mariner com/s/files/1/0666/7721/products/MXL_XL_L_H_Timing_Belt_5a1f0044-aeff-4f78-bc1d-bc45996ce432The BlackStar 40BS51 1 1 8 K2S is a 40 pitch Finished Bore roller chain sprocket with 51 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 1 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS51 1 1 8 K2S Chain Pitch 40 Number of Teeth 51 Bore Size 1 1 8" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore