still say Koga Miyata builds better complete touring rigs,
but they don't bother with the US market.
its saturated with competing brands.
included is racks, mudguards, , and lights, US dealers survive off selling that stuff
point of sale as accessories , just so you know.

given bikes often have 3 spoke lengths , the holder may be a style gimmick.
find out if the length of spoke means anything
before you are in Bear and Lion country to learn it aint so.

but yea they sited the rear caliper on the chainstay so no disc
specific rear rack needs to be added to their product line to compensate.