• New, unused Shimano 15T Dura Ace / 600 UG UniGlide cassette cog and made in Japan quality from 1995.
• Fits 5/6/7/8-speed UniGlide cassette hubs.
• Splined cogs will also fit HG cassette hubs.
• Reverse the cogs to double your miles.
• Index and friction-shifting ready.
• For your 120/126/130mm cassette hub.
• FWSH.
• FREE shipping in the USA.