Originally Posted by gogi108

i have tried pink bk's on the rear of my 4.1we at gcrc , first impression was they had more grip than the gold barcodes down there , unfortunately i havent put in the time to really say for sure .
my first run on the gc track i tried red bks and they were really bad , struggled to clear the double on the old layout through lack of grip . this was early on when the first opened , the grip may have come up a little since then .....maybe