Fitted and used on the road for less than 100 miles so pretty much as new. I have had an issue with three different XT cassettes on my bike,  the chain catching an adjacent cog each revolution. This was one of the cassettes and I never got to the bottom of the problem, the general view is it’s probably a bike set up thing rather than the cassette so this one is for sale. I’ll take £70 posted for it. Any questions please ask, cheers, Trevor.