Old theme, but read some inconsistency inside. To show what makes a slider and sliding area outer tube go worn is at least in my case not having correct torque values on the lower triples. So do use correct values and beware of disinterested sellers when buying used bike.

Bought my bike in Italy, and will, if a certain refund from seller is not given, report him to relevant institutions.
Frame was welded in various places, but it is a hidden error, concealed behind the pipe and under layer of new paint. Darn covertries.