Bore Profile: Finished Bore
Component: Hub
Coupling Type: Jaw Coupling
Inch - Metric: Metric
Outside Diameter - Inch: 3.37

Material: Steel
Other Features: Components May or May Not Intermix Among Brands
Length Thru Bore - Millimeter: 45.974
Mounting Method: Set Screw
Hub Diameter - Millimeter: 81

Chain Pitch - Inch: 0.5
Chain Pitch - Millimeter: 12.7
Chain Type: ANSI Roller Chain
Pitch Diameter - Inch: 4.465
Inch - Metric: Metric

Outside Diameter - Inch: 4.738
Chain Size: 40
Material: Steel
Pitch Diameter - Millimeter: 113.42
Mounting Method: Finished Bore

Bore Profile: Finished Bore
Component: Hub
Coupling Type: Jaw Coupling
Inch - Metric: Metric
Outside Diameter - Inch: 3.98

Material: Magnesium Alloy
Other Features: Components May or May Not Intermix Among Brands | Corrosion Resistant | Neoprene Insert
Length Thru Bore - Millimeter: 38.608
Mounting Method: Set Screw
Hub Diameter - Millimeter: 77.47