Shimano Dura-Ace SS-7600 Track Cog (Black) (Single Speed) (3/32") (16T) - Y27916000
Shimano Dura-Ace SS-7600 Track Cog (Black) (Single Speed) (3/32") (16T) - Y27916000, Shimano Dura-Ace Track Cogs Features: 1.37" x 24 tpi, Black Specs: Cassette Body TypeThreaded Track Chain Compatibility3/32" Tooth Count16