16 Tooth Freewheel Sprocket. 1/2" x 3/32" with standard 1.37 x 24 right hand threads.
Dicta Brand. Four prong easy off design.
We have many different sizes of ID's with key way and some with two set screws.
SHCS = Socket Head Cap Screw. A 6mm SHCS requires a 5mm Allen wrench
15 mm ID with a 4mm key way and two 6mm x 1.0 x 16 mm long SHCS
5/8" or .6255" ID with 3/16" key way and two 6mm x 1.0 x 16mm long SHCS
17 mm ID with 3/16" key way, ½” wide, No set screws.
3/4" or .7505" ID with 3/16" key way and two 6mm x 1.0 x 16mm long SHCS
7/8" or .8755" ID with 3/16" key way and two 6mm x 1.0 x 16mm long SHCS
1" or 1.005" ID with 1/4" key way and two 6mm x 1.0 x 16mm long SHCS