Tritan 80BS18H X 1 1/4

Sprocket, Bore Diameter 1 1/4 in, For Chain Pitch 1 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 1/4 in, Number of Teeth 18, Outside Diameter 6.27 in, Pitch Diameter 5.759 in, Bore Type Fixed, Chain Number 80, Finish Black Oxide, Hub Diameter 4 1/4 in, Hub Projection 0.925 in, Includes Set Screws, Keyway Yes, Keyway Depth 1/8 in, Keyway Width 1/4 in, Length through Bore 1 1/2 in, Number of Set Screws 2