S-Works Aethos custom build (Size 52) — extremely lightweight and built with top-tier components throughout.
Bike weighs just 5.79 kg (~12.7 lbs) as pictured. One of the lightest disc brake builds you’ll find, especially with a power meter.

🔧 Specs
* S-Works Aethos frame (52cm)
* Shimano Dura-Ace Di2 (11-speed) with extra light Incolor Zoney 11, 11/32 cassette (only 165g)
* Etralite Ultra pulley upgraded pulley wheels in the Dura Ace rear mech
* Rotor ALDHU carbon crank (165mm) + Sigeyi axo power meter
* Etralite Hyper bottom bracket with upgraded enduro XD-15 Ceramic bearings (forever BB)
*...