Originally Posted by
Rolla
Agreed on the FD height, but regarding the chainring teeth, if they aren't worn yet, they might be on their way. A closeup photo would help, but new chains and new teeth always play better together.
Big chainrings take a very long time to wear out, tens of thousands of kilometers. They take much longer to wear out than small chainrings. The one in the OP's photo is pretty dirty, but doesn't look all that worn