i have 3 alien xs i changed all mine to a cable slide system which i made myself , i was having to much cam lean on the bottom cam. it did not change a thing on the bows brace ht. ata, peak wt. stayed the same. the change made all three bows much smoother to draw. i hated to hear that they are putting the css on some of their 2013 bows, if it aint broke don't fix it. good luck
cutis
2009 alien x camo, 09 x all black , 2010 x carbon fiber
2010 nemesis camo, 2011 nemesis carbon fiber,
2010 onza 3 camo,
2010 pearson legend black riser camo limbs