Hi have just fitted a set on my 03 Ultra and now i find small surface cracks in groups on the lobes and on the surface of the tyre as they are not deep i wonder if it is only heat related as i live in Darwin or should i take them back or go to the 402 again i like the fell of the 3 and sure makes a differance on corners.Was told that it is because of the heat and milage we do up here and it is not uncommen to see them on other tyres Hmmmmmmmmmmmm.Charlie