BlackStar H80Q31 - 80 Pitch Q Sprocket - 31 Tooth 1.7/8" The 6/3V950 has a 3/8"

The 6/3V950 has a 3/8" width

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com/s/files/1/0666/7721/products/Micro_V_L_Section_5e88bb90-0a1a-498a-8eb3-eab9663628bf

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BlackStar H80Q31 - 80 Pitch Q Sprocket - 31 Tooth 1.7/8" The 6/3V950 has a 3/8"The BlackStar H80Q31 is a 80 pitch Q roller chain sprocket with 31 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. Specifications Part Number H80Q31 Chain Pitch 80 Number of Teeth 31 Bore Type Plain Bore Hub Style Q Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 10. 43" Pitch Diameter 9. 884"