On my powerlock the lead through unwantedly rotates on the bar because the little pin inside the lead-through broke apart. Once it starts rotating its very painful to use the 'lock' or to move the bar up and down.
This little pin was part of the lead-through and it plugs into the Bar (visible only after unclamp the lead-through from the bar).
Cabrinha has sent me a replacement free of charge but I assume I'll have this problem again (a metal pin would be mor durable).
Anyway, the chicken already looks weak, it will be the next thing falling apart.
I didn't like the Adjuster either (too short, tends to automatically 'power on').
As long as nothing was broken I liked the bar (first week)