5/8" ID x 1/2" wide with 1.375" x 24 tpi. Adaptor for freewheel sprockets 16 tooth and larger.
CNC machined out of 12L14 steel and zinc plated for a single, dual or multi speed freewheel sprocket.
5/8" ID x 1.375" x 24 tpi Right hand threads x 1/2" wide with a 3/16" key way, no set screw.
Held in place by two 5/8” Ext. snap rings.
Used on the NuVinci and gear & chain drive kits and lots of other uses.
Click Here to add one or more 3/16 x 3/16 x 1/2 Keys.
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