Chain Pitch - Inch: 0.5
Chain Size: 40
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 2.563
Inch - Metric: Inch

Material: Steel
Outside Diameter - Inch: 2.814
Other Features: Black Oxide Finish | For W-Weld On Hub
Pitch Diameter - Millimeter: 65.1
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.5
Chain Size: 41
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.831
Inch - Metric: Inch

Material: Carbon Steel
Outside Diameter - Inch: 4.098
Other Features: With 2 Set Screw
Pitch Diameter - Millimeter: 97.3
Mounting Method: Finished Bore