I'll ask a couple locals if they have run much two up with the GB on a KTM Adv. Plenty of GL product users around here.
Those kreiga's look the quality, just not the configuration.
"Big Bertha" my KTM 950 SliderMoto with 19/17 spokes, FCR41's, 2-into-1 high pipe, single side front brake and handcut flattrack style tires. Gettin Slideways is good!