3/4" BORE SPROCKET

Little Sprocket: The little sprocket mounts to the tarp motor and transfers it's torque to the big sprocket via the chain.
Mounts on the motor
Transfers torque from the motor to the big sprocket using the chain
3/4" bore
x1 little sprocket per drive unit
3/16" x 3/16" x 1.625" key way used to secure the little sprocket onto the tarp motor, key way locks it in place and spins the little sprocket with the motor transferring that power to the roll tube assembly via big sprocket, and chain