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Scoobz1
VIP Member
Or possibly that the previoius user changed out the parts and put some threadlock on. If it was down to weight our chairs would last a lifetime (-: There are even parts sold for them on this site because they break so often and various other people have made custom parts. Do a search on this site and you will find out how reliable or uncommon breakages areHad mine for 4 years and previous owner for 3 years and they have never broken and are as good as the day they were made.
Could be down to user weight though.