I got a SL4 Roubaix and a Crux Evo, if I were to pick one it would be the Crux Evo. Crux Evo is designed for gravel riding, it has hydraulic disc brakes and a compact crankset 50-34. I've ridden the bike in gravel, sand, dirt, mud, street and everything in between, the bike is stiff and I love it.