The Deore groupset i got from Ribble last year was clearly OEM stuff in generic clear plastic bags instead of boxed ‘Shimano’ labelled stuff…not fussed with drivetrain though as i dont think there is much (if any?) difference between OEM and aftermarket in that respect….with forks and shocks i would prefer aftermarket though.
Ditto some Deore M615 brakes from Ribble were just bagged and boxed in unbranded packaging, again not too fussed…they were remarkable value for money and work brilliantly.
As others have said, this price on their SLX stuff has been around for a while and the only thing stopping me from buying it is the bottom bracket….why oh why cant they give a choice of pressfit or threaded?..i know price would go up for pressfit stuff but they could incorporate that into the deal for that particular selection, i’ll end up buying separately as once i’ve factored a pressfit BB into the equation it doesnt look quite so appealing….and i’d be left with a threaded BB that is so cheap its not worth the hassle of advertising it and paying for postage!