*ENGLISH VERSION BELOW* The groupset was converted to Shimano 105 Di2 (electronic) in a specialist workshop - all components were professionally and completely rebuilt. In addition, I replaced the wheels with high-quality Vel RSL 50mm carbon wheels, which not only give the bike an elegant design, but also offer noticeable performance advantages. The white decals were freshly applied, but can be easily removed if desired - for a clean "all black look". ---------- The Shimano 105 Di2 electronic groupset was professionally installed at a workshop, with all components replaced during the process. I also upgraded the wheels to high-performance Vel RSL 50mm carbon wheels, which not only enhance the bike's look but also significantly improve ride quality and speed. The white decals were newly applied but can easily be removed if you prefer a sleek "all black look."