Shimano GRX 600 vs Shimano Dura-Ace R9200

By comparison- The Vitus 979 is a fairly legendary frame, it was the original factory made “weight weenie” and truly top of the line for late 1980s tech with a mix of Shimano 600 and early Dura-ace components and hand built clincher wheels. Weight between the two bikes was almost identical, with the modern Raleigh being much more rigid and objectively “better” in measurable ways but the Vitus just FELT nice with the hand built wheels and slick shifting non indexed components. I had a decent baseline of riding performance on the Raleigh, and my first ride out with the Vitus for $300 I averaged a .5mph bump in speed with 7bpm lower heart rate

So that's the complete r 9200 group set first impressions. Are that it's incredibly good at what it does the ergonomics seem excellent. The shifting i...