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Is this the correct code number for an ultegra cassette(3 posts)

Is this the correct code number for an ultegra cassettemaximum15
Oct 12, 2002 8:15 AM
Just bought a used 12-23, nine speed ultegra cassette for my wife's bike. Have a new one on mine from a LBS. The new one has the 19-21-23 combo stamped with 19 21 23 ZH on the hub body. The used one is stamped with 19 21 23 YF. Is the difference in the ZH and the YE just a factory lot number or does it signify something more such as 105 vs ultegra? For what it is worth, the lockring is correctly marked for ultegra.
chrome plated steel??C-40
Oct 12, 2002 9:10 AM
As long as the cog have the same shiney chrome plating, as your new Ultegra, you got what you paid for. If the cogs have dull zinc plating or some other dark finish, you've got cogs from a lower level group. They'll still function fine, and may last as long, but aren't as pretty.
chrome plated steel??maximum15
Oct 12, 2002 4:04 PM
Yes, chrome plated on the big three and nickel on the rest. Didn't care so much about 105 vs Ultegra as not being cheated. Thanks for the tip, should have thought of that myself.