i have the same prob?
as matey said ithink we just set it far to low so it may pay just to set it higher.
try it and see
but idid have a set of KWs awhile back and there by far the best iv ever uesed handles very well and a good ride also,mind you they were 1200 sheets?
as of 400 odd for avos
may be its a-you get what you pay for?