Originally Posted by Oldtimer61

Actually the chain doesn't skip, it slips off or derailed. I hv a long cage derailleur and chain is good for the 53t. It works perfectly with the same crankarms + low end 52t chainring. But once I swop chainring to 53t litepro, it'll derail off either the biggest or smaller cog, depending on which length BB i use. Seems like this litepro chainring is the culprit as I borrowed a friend's 53t chainring and no issues. Thanks for your help.