Originally Posted by Eatadonut
Where's the weak point? I can't believe the chain pushes that hard. I could do the math if someone could provide me a ballpark of the coef. of friction between a 23mm rubber tire and smooth concrete.
I tighten my rear wheel down pretty tight, and its not rare for skidding/hard backpedalling to pull enough to actually move the axel in the dropouts and loosen the chain a bit. I suspect this kinda force would fold a chain-tensioner.