Sprocket Brake Mini Hub, 1" bore, 1/4" keyway with hardware

Azusa Sprocket Hub, 1" bore, 1/4" keyway 2562 w/hardware 

Go kart Sprocket Hub or Mini Bike Hub
1 inch bore, 1/4 inch keyway
Two bolt circles, 4 hole, 3.228 inch bolt circle and 4 hole, 2-7/8 inch bolt circle
4 inch OD.
For 1 inch axle. Zinc plated. Two set screws, 4 bolts, 4 nuts and a key included.
Also fits Azusa 4-1/2″ Brake Drum

AZ8191