I rode the DK200 for the first time this year, on a flat bar sscx bike with tubeless 38c G-Ones -- and it was great. No flats, was comfortable all day and felt like I could've kept going. The biggest factor for gravel racing isn't the frame, as long as you're comfortable on it... it's definitely the tires -- always go tubeless, and run as low a pressure as you can without bottoming out on the rough stuff or feeling too squishy.