Rebuildable kit, with good customer service and parts supply, only issues I've had is rear hub pawls (XC and pro II hubs) but this was about every 2 years so that's fine and one of the old headsets that lasted 18 months again that's fine.
Still run hope hubs and may get more brakes as my monos and M4's of various ages never gave any trouble being rebuilt every 18 months/ years.
I'm pretty picky and will rebuild stuff on a fairly regular basis so I don't think servicing brake sets every two years (seals e.t.c is too bad) It's what I'd do on my motorcycles so why not the bike.
The next posh build will have king hubs on and I only use king headset now too, but that's just because it'll be an advert for the company unless I can get green hope stuf that is
probably not though.

