Finished my build, pleased with the result!
Frame: SPCycle G028 size large, in metallic green
Wheels: CSC 5.0 50mm deep, 40mm external, 32mm internal
Tyres: Thunder Burt 2.1 tyres (which measure up at 55mm on these rims)
Shifters: SRAM Force E1
Derailleur: SRAM Rival XPLR 13-speed UDH
Cranks: SRAM Force D2 road cranks with Quark spindle power meter
Seatpost, bars, and stem from AliExpress.
Weight is 8.47kg with pedals, but without bottle cages, Garmin mount, or rear light.