7/8" ID x 1/2" Wide Adaptor for freewheel Sprocket 3 prong Design with a 3/16" keyway.
Adaptor for freewheel 7/8" ID x 1.37 x 24 OD with a 3 Prong grove to drive a 16, 18, 20 or 22 tooth solid three prong sprocket and single speed freewheel.
It can also be used with a 5, 6, 7 or 8 speed freewheel or a threaded track cog sprocket with 1.37 x 24 RH threads. 1/2" wide, no set screw.
Requires one 3/16" x 3/16" x 1/2" key not included.
Held in place by snap rings or shaft collars.
Click Here to add one or more 3/16" x 3/16" x 1/2" Keys.
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