Finished Bore with Keyway & SS Bore Sprocket, 80 Chain Size, 1-1/4 Bore Dia., 9 # of Teeth, TRITAN, Mfr# 80BS09H 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 9, Outside Diameter 3.35 in, Pitch Diameter 2.924 in, Bore Type Fixed, Chain Number 80, Finish Black Oxide, Hub Diameter 2 1/4 in, Hub Projection 1.05 in, Includes Set Screws, Keyway Yes, Keyway Depth 1/8 in, Keyway Width 1/4 in, Length through Bore 1 5/8 in, Number of Set Screws 2