Number of Teeth = 12 To Fit British Standard Chain Type = 08B-1 Bore Type = Rough Stock Bore Maximum Bore Diameter = 17mm Pitch Diameter = 49.07mm Material = Steel
Number of Teeth = 12 To Fit British Standard Chain Type = 06B-1 Bore Type = Rough Stock Bore Maximum Bore Diameter = 10mm Pitch Diameter = 36.8mm Material = Steel Sprocket Width = 25mm