~ NOS Shimano 600 Ultegra UNIGLIDE 15T 6/7 Speed Cassette Cog Sprocket Silver ~

From the mid 80's, cogs were ordered as replacements, but never used - in sealed package

See my other listings for other size cogs 

Cog is NOS - auction is for one (1) 15T Shimano Uniglide Cassette cog

Cog is un-threaded for use in positions 3-6, or if left un-pinned any position

Thanks For Looking - Bicycledreamer, Always Dreaming of Bikes!