NOS drive side and 99% sure non is NOS. Has shop wear, but looks to have never been mounted. Needs a bit of simichrome. Threads, decals, etc are perfect. Marked "W" for english thread. Arms only, no dustcaps, chainrings, etc.
165mm, ideal for your vintage track iron.
$135 shipped ConUS (paypal is okay)
Sean Flores
San Francisco, CA