After having eliminated anything with stupid BB types, non 27.2 seatposts, non internal Di2, non-replaceable hangers, rim brakes or discs with QRs or 15mm thru-axles, stupid curvy tubing, anything titanium, brands I dislike for no apparent reason, any other random variable I thought was important at the time.
That was referring to what I have bought, which is most road stuff. But it essentially boils down to 'no weird shit that I won't be able to get replacements for in 5 years'
Sizing, price, colour.
After having eliminated anything with stupid BB types, non 27.2 seatposts, non internal Di2, non-replaceable hangers, rim brakes or discs with QRs or 15mm thru-axles, stupid curvy tubing, anything titanium, brands I dislike for no apparent reason, any other random variable I thought was important at the time.