Well, i made custom onepieces and they're way too heavy(about 2kg, which is 70oz.). I built it with super thick tubes(steer tube has 2,6mm(0.102") thick wall and crossbar is the same thickness) I couldn't get any cr-mo tubes or any with less thick wall which would fit the 1-1/8 fork. I was thinking of drilling holes in the steer tube to reduce the wieght. what drill's diameter to use and what distance between the holes should be? Soryy for my bad English but i think you will understand me 