Originally Posted by
USAZorro
I think that by asking for another Simplex pulley, you're setting yourself up for disappointment in very short order. The plastic they used in those just has not held up well at all. What happened to yours, happens to a LOT of them. Sun Tours match the dimensions, and don't have the propensity to spontaneously disintegrate.
In that case, everyone should send me their Simplex pulleys in order to avoid imminent catastrophe!
I do see the wisdom in your advice, but in this case I'm after 'correctness', not functionality.