Originally Posted by BananaTugger

1K weave is hard to make because the pattern is so damn tiny. The material itself is prone to tearing and folding when being handled.

12K weave is that big square looking stuff that was on Scott CR1 frames initially. Now everyone is using it, because it is cheaper. Also, 1K, 3K and 6K weaves are being sucked up by the people who make planes and other crap that doesn't pertain to cycling, which reduces its supply.