Sprocket For Bushing Size JA For Bushing Type Quick Detachable For Chain Pitch 5/8 in Material Steel Number of Teeth 15 Outside Diameter 3.32 in Pitch Diameter 3.006 in Chain Number 50 For Number of Strands Single Maximum Bore Diameter 1 1/4 in Finish Black Oxide For Pitch Type Single Pitch Hub Diameter 2 1/16 in Hub Projection 0.282 in Hub Type One Side Length through Bore 9/16 in Material Grade 1045 Minimum Bore Diameter 1 1/4 in Resistance Properties Corrosion Resistant