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The Hylex come completed, but would recommend replacing the pads with the Shimano one for longevity and durability.
You can buy the M:Part Afline rear wheel with disc and 700c, bear in mind that the hubs is centerlock, meaning you need to buy a new centerlock rotor as the standard 6 bolt one from the Hylex won't fit.
Pinnacle Arkose come with Hylex and 10 speed drivetrain (cassette), IMHO, this would be a good alternative to getting the internal hubs on account for the lightweight and reasonable range of gear, the single chainring should allow less wear and tear too.
TRP Hylex and Alfine 8 with bar end.