Dura Ace CS-9000 11-28t

Light Wear: Light wear and usage, little to no chain groves on the sides of the cogs, item appears to have limited use, no functional issues. Typically estimated to have 1000 miles or less of use. Heavy Wear: Heavy wear on the cogs, heavy chain groves on the sides of the cogs, item appears to have been heavily used, no functional issues This cassette is a "Typical Wear" item.