The recent launched of new Shimano 105 R7000 is leap forward from R5800 series. It has significant improvement on design, weight, and high performance rapid-shifting as Ultegra and Dura Ace. Shimano R7000 has wide range of gear combination options available to tackle different challenge of riding whether riding back home or abroad. For instance, cassette ratio, from 11-25, 11-28, 11-30, 11-32, 11-34.
In addition, if you are technical knowledge rider, front derailleur adjustment has simplified. Since the launch of Shimano Dura Ace R9100 and Shimano Ultegra R8000, the cable adjustment no longer required a cable adjuster barrier which can save some gram (maybe 2g) and it give more precise in shifting.
Besides, 105 rear derailleurs. The new rear derailleur uses Shimano’s low-profile Shadow parallelogram design to reduces crash vulnerability and improves shift performance.
Shimano R7000 is most value 11s components. If you are not weight oriented rider, this is great components which can feel the performance of rapid shifting as higher-end series.