Got it from AliExpress, BXT Official Store. Chameleon paint so it's brown in direct sunlight, green when the sun hits it at an angle, and pretty much black in low light. I requested a smaller BXT logo on the top tube instead of the down tube, and no headset label and they complied. It took 18 days from order to delivery by FedEx, which they asked me to pay $40 extra for.
The 52 cm frame weighed 962 g with no bottom bracket, headset or axles, but with the front and rear derailleur hangers. The fork weighed 408 g after I cut it. Final build weight 9.1 kg/20 lb. It's really just a spare parts bin bike so I didn't put any effort into reducing weight.
The groupset is Tiagra 2x10 speed with hydraulic disc brakes, but with a 105 FD-R7100 front derailleur because the frame only has a large hole for a front derailleur cable with outer housing. Oh and you only get a grommet for the rear brake hose. No grommets for the rear or front derailleurs or front brake. The integrated handlebars were a real pain to do with 4 hoses, but I think it was worth it for the clean look. The gloss black handlebars show scratches easily, but I was able to polish them out by hand.
The top headset bearing didn't quite sit flat. It rocks a bit forwards and backwards. But I got it to stop rocking by tightening it while pulling the frame back against the front brakes. Also the included T47 68 mm bottom bracket was very tight for my Tiagra crankset. I actually knocked the non-drive side bearing out while attempting to tap the crankset in with a mallet. I got the bearing back in but I'll probably just order a new bottom bracket.
Overall I'm very happy with this bike.