Got these one piece 6" steelies, have that 4 bolt rectangular bolt pattern for the sprocket (35 pitch 72t), and also a used a band brake drum n the outside of the sprocket. Any idea's what used them? They have a small "hump" to them in the middle and the front wheel hub is equal and inset a little like a mini bike would use. Seen the bolt pattern around but never noticed what was running them :shrug: appear to have originally been silver
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