If you mean the two small rivets just over half way up the leg, these are the front brake hose guide on the trailing edge of the fork.
It's not unusual to see an alloy ring at the bottom of carbon steerers. Given the way most people medieval their races on, it seems prudent on the part of the factory to provide some protection. It may be overkill but it's better than gouging the steerer, no?
If you insist on the thru axle model, go with the xmiplay and the 1000g weight saving.