shimano cassette identifaction

pompey-dude
pompey-dude Posts: 35
edited February 2008 in Workshop
Hello,
How can I tell what cassette I have on my bike? I believe it should be Ultegra but I want to make sure. It doesn't tell me anywhere on the Lock ring (I think that's what it’s called) all it tells me is it’s a hyperglide .

Also how much play in a new factory build mavic wheel should I accept from my LBS.

Thanks
Phill

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