Originally Posted by 1fluffhead
I have never used chain tensioners because I don't think you really need them, but if you want to save your track ends why not just use a washer?
I thought about that, but a non-serrated washer would likely slip under pressure. My axles have track nuts with a captive serrated washer that bites into the face of the dropout. Good grip, but I feel it will wear the track ends a fter a season or two.