Hey everyone, first post here just wanting to share my build and first impressions:

Frame/Cockpit:
 * Frame: Spcycles R088, 58cm
 * Cockpit: Spcycles Integrated Handlebar (400mm x 100mm)
 * Saddle: SQlab 612R Carbon, 130g
Groupset:
 * Shifters/Brakes: Ltwoo ERX 12-Speed Hydraulic Disc
 * Derailleurs: Ltwoo ERX Electronic (Front & Rear)
 * Crankset: Shimano Ultegra R8100 (52-36) Right Arm / 4iiii 105 Left-Side Power Meter
 * Cassette: ZTTO Ultralight 12s, 11-28t
 * Chain: Shimano Dura-Ace 12-Speed
 * Bottom Bracket: ZTTO BSA
Wheels & Tires:
 * Wheels: Xiamen Tandell Carbon, 50mm Deep, 30mm Wide
 * Tires: Continental GP5000 S TR, 30c
 * Rotors: Iiipro Centerlock, 160mm

 * Pedals: Dura-Ace SPD-SL
 * Bottle Cages: Generic Carbon (x2)

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I'm 6'2" so the first thing I'll say is it felt cramped. Unfortunately spcycles only makes a 110mm bar and I'm ideally looking for 400x120 - does anyone know a bar that will work with the existing spacers (I do want integrated cockpit)

Other than that, coming from a 2008 specialized tarmac comp - huge difference. As my first modern frame was impressed with how stiff it was. Ltwoo erx worked great too.

Few issues I had with the build:
The whole for the rear derailleur battery cable was too small - drilled it out an extra 1mm

Inside the seat post had a protrusion, probably where the frame mold met. This was a bitch and wouldn't let the battery slide past it. Had to put some sandpaper on the end of a long drill bit to sand the imperfection away.

Front derailleur mount was not straight. Front derailleur would not sit parallel. Had to shim it with some plastic - not ideal.

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Other than that, happy with the build but because of those issues not for the beginner who wants an easy to put together bike.