You should be able to remove and reinstall the wheel without the brake disc getting Bent.
Promax calipers were chosen to lower the selling price of the bike as a Whole
NB: there are easier ones to adjust, its primarily a friction material wearing thinner reason to adjust them ..
I Like bikes with the Shimano center lock front hub design, because the disc is held on with a lock ring, which is the same spline type as their cassette lockring.
When repacking tourists bikes to ship home , the disc comes off the hub and gets packed separately so It wont get bent in transit ..
I have the same splined hub type on the Schmidt dynohub, that is fitted on my Bike Friday pocket Llama, with Avid BB7 calipers.