cassette rub issue

mike hunts alpine
mike hunts alpine Posts: 765
edited April 2015 in MTB workshop & tech
Hi just looking for a bit of info just bought a brand new 10 speed shimano slx cassette to replace a deore one that had seen better days. One issue is that the chain is catching on the next biggest cog no matter what adjustments I make.
Is that because my chain has gone or is something else wrong. Checked that everything is on correctly but no explanation for why. Shine some light please.

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