Freewheel Adpotor 15mm ID x .75" wide 4mm keyway 2 set screws.  1.37 x 24 RH tpi.

The Set Screws are to the left side of the thin .065" -  flange 1.48" OD that holds the freewheel in place is turned to 1.25" OD. 

This adaptor is used on our Staton Differentials - LEFT SIDE.  Can be used on many projects.

Be sure and order the keys.

4 mm x 4 mm x 20 mm long Metric Key

Sprockets are NOT included.

Sold by the EACH.