Originally Posted by
v70cat
Pcad and others say the fork type mounts loosen-up when you hit bumps
Well that's just wrong. I've been using fork mounts for 20 years and never had one loosen. I don't see how they could loosen. They are locked shut under high tension. Hell, I have a hard time closing the new style Yakima QR to get it locked because there is so much friction in the new design (probably designed specifically to prevent loosening since the entire skewer would have to turn for it to loosen against the QR head).
They've had that design for a long time now too, just with different style heads.