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  • But it looks like the SHIMANO FH-TY500 hub has a freehub? It’s strange because the thing in OP’s photo doesn’t look like the freehub cassette lockrings I’m used to but it certainly looks like it has the internal “teeth” for a cassette lockring tool.
    – Michael
    Commented Apr 2 at 12:25
  • Indeed, it really does not look like lockrings I am used to, but I stand corrected.
    – Vladimir F Героям слава
    Commented Apr 2 at 12:38
  • 1
    Image definitely looks like a freewheel to me - this answer seems correct. But googling OP's model number returns bike.shimano.com/en-EU/product/component/shimano/… which is a freehub. I suspect they've misread the model number, or its a really old part with a similar model number.
    – Criggie ♦
    Commented Apr 2 at 18:25
  • 1
    @Criggie Thank you for the heads up. I will undelete this answer because it really looks like a freewheel.
    – Vladimir F Героям слава
    Commented Apr 2 at 19:22
  • 1
    100% a freewheel in the picture. I suspect they're looking at published specs on a bike that's had its wheel replaced.
    – Nathan Knutson
    Commented Apr 3 at 7:12