13 Tooth Plate Sprocket. 2.609 inch Pitch x 7/8 Plate - Fits common Engineering Class Chain
WR78 and 81X. Internal Diameter Bored to Precision fit to Industry Standard Hub.(Not rough bored, Lathe Bored.)
Can accept Weld in Hubs ranging from 1 7/16 to 3 15/16. Can also fit HCQ1 Weld in Hubs for Taper Lock Bushings. .
|Bore Diameter||4 5/16 inch||Finish||Orange||Pitch||2.609 inch|
|Height||11 3/4 inch||Thickness||7/8 inch|