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No. 80, B Style, 1.250" Finished Bore

All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

3.000 in

Length Through Bore_SYN

1.500 in

Sprocket Style_SYN

B

Number of Teeth_SYN

13

Bore Diameter_SYN

1.250 in

Max. Bore

2.000 in

Weight_SYN

3.500 lb

Tooth Width_SYN

0.575 in

Hardened Teeth 

Yes

Industry Equivalent

80BS13 1 1/4

UPC Code

097039338037

Chain Technical Data

Chain Pitch_SYN

1.000 in

Chain Number_SYN

80

Sprocket Diameters

Outside Diameter_SYN

4.660 in

Pitch Diameter_SYN

4.179 in

Caliper Sprocket Diameter at 3/8 in Pitch

3.523 in