BlackStar 100BS20 1 3/8 K2S - 100 Pitch Finished Bore Sprocket - 20 Tooth - 1-3/8" Bore Neoprene The 2/5VX1900 has a 5/8"

The 2/5VX1900 has a 5/8" width

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com/s/files/1/0666/7721/products/Banded_VF_Belts_25fa596a-d618-46d5-8622-385b5ae1e287

com/s/files/1/0666/7721/products/Poly_V_Belt_Conti_c64c9d04-5d5c-487e-9367-405897186b2a

BlackStar 100BS20 1 3/8 K2S - 100 Pitch Finished Bore Sprocket - 20 Tooth - 1-3/8" Bore Neoprene The 2/5VX1900 has a 5/8"The BlackStar 100BS20 1 3 8 K2S is a 100 pitch Finished Bore roller chain sprocket with 20 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 100BS20 1 3 8 K2S Chain Pitch 100 Number of Teeth 20 Bore Size 1 3 8" Minimum Bore 1 7 16" Maximum Bore 2 15