Chain Pitch - Inch: 0.5
Chain Pitch - Millimeter: 12.7
Pitch Diameter - Inch: 3.831
Inch - Metric: Inch
Outside Diameter - Inch: 4.098

Chain Size: 40
Material: Carbon Steel
Other Features: Taper Lock Bushing
Pitch Diameter - Millimeter: 97.3
Mounting Method: Bushed

Chain Pitch - Inch: 0.625
Chain Pitch - Millimeter: 15.875
Pitch Diameter - Inch: 3.798
Inch - Metric: Inch
Outside Diameter - Inch: 4.121

Chain Size: 50
Material: Carbon Steel
Other Features: Taper Lock Bushing
Pitch Diameter - Millimeter: 96.469
Mounting Method: Bushed

Thread Size: 3.137-12
Threads per Inch: 12
Nominal Thickness - Inch: 0.604
Nominal Thickness - Millimeter: 15.342
Inch - Metric: Inch

Outside Diameter - Inch: 4.161
Outside Diameter - Millimeter: 105.689

Inch - Metric: Inch
Outside Diameter - Inch: 4.173
Inside Diameter - Inch: 3.003
Inside Diameter - Millimeter: 76.276
Outside Diameter - Millimeter: 105.994

Thread Size: M80 X 2
Nominal Thickness - Inch: 0.591
Nominal Thickness - Millimeter: 15
Inch - Metric: Metric
Outside Diameter - Inch: 4.134

Outside Diameter - Millimeter: 105