16 mm ID x .9" wide, has 5 mm key way freewheel Sprocket Adaptor

Freewheel Adaptor, 16 mm ID x 1.375-24 tpi OD CW - Right Hand Threads x .9" wide, has 5 mm key way and two set screws.

This could also be used with a 4 mm keyway as the set screw would hold the key in place.

Be sure and add the freewheel or any other parts you need to the cart. 

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