Did you ever get this resolved? I am having the same thing happen with mine. 8050 miles on odo. 8 months old. Seems to be causing a slight pull, low speed to the right when clunk happens. Only when applying the front brake moderately and traveling at low speed, like 10 to 20 mph. Haven't felt another similar bike front brake pull, but mine seems to be slightly above half pull then is firm. Seems like it should be higher. Thinking may have air in caliper from factory. Right binder clamping harder than left and causing clunk of shock is what it sounds and feels like.