The Approx dimensions of a 3/4×15 Chain Sprocket are typically as follows:

Sprocket Diameter: 101.1 mm

Boss Diameter: 73 mm

Teeth Pitch:3/4″

Attech Chain:12B-1

Number Of Teeth: 15 Nos.

The Approx dimensions of a 3/4×18 Chain Sprocket are typically as follows:

Sprocket Diameter: 119.2 mm

Boss Diameter: 75 mm

Teeth Pitch:3/4″

Attech Chain:12B-1

Number Of Teeth: 18 Nos.

The Approx dimensions of a 3/4×19 Chain Sprocket are typically as follows:

Sprocket Diameter: 125.2 mm

Boss Diameter: 75 mm

Teeth Pitch:3/4″

Attech Chain:12B-1

Number Of Teeth: 19 Nos.

The Approx dimensions of a 3/4×22 Chain Sprocket are typically as follows:

Sprocket Diameter: 143.3 mm

Boss Diameter: 75 mm

Teeth Pitch:3/4″

Attech Chain:12B-1

Number Of Teeth: 22 Nos.