Inch - Metric: Inch
Outside Diameter - Inch: 8.063
Inside Diameter - Inch: 5.983
Inside Diameter - Millimeter: 151.968
Other Features: Face Dia 7.063 | 19 Tangs

Outside Diameter - Millimeter: 204.8

Chain Pitch - Inch: 1
Chain Pitch - Millimeter: 25.4
Pitch Diameter - Inch: 7.344
Inch - Metric: Inch
Outside Diameter - Inch: 7.876

Chain Size: 80
Material: Steel
Other Features: Black Oxide Finish | For X-Weld On Hub
Pitch Diameter - Millimeter: 186.54
Mounting Method: Finished Bore

Chain Pitch - Inch: 0.625
Chain Pitch - Millimeter: 15.875
Chain Type: Roller Chain
Bearing Type: Ball Bearing
Inch - Metric: Inch

Outside Diameter - Inch: 8.12
Chain Size: 50
Material: Steel
Other Features: 0.343 Inch Teeth Width
Length Thru Bore - Millimeter: 15.494

Chain Pitch - Inch: 0.5
Chain Pitch - Millimeter: 12.7
Chain Type: Roller Chain
Bearing Type: Ball Bearing
Inch - Metric: Inch

Outside Diameter - Inch: 7.93
Chain Size: 40
Material: Steel
Other Features: 0.284 Inch Teeth Width
Length Thru Bore - Millimeter: 18.288

Inch - Metric: Inch
Outside Diameter - Inch: 7.985
Inside Diameter - Inch: 6.018
Inside Diameter - Millimeter: 152.857
Outside Diameter - Millimeter: 202.819