Gravel bike. What is a 'gravel bike'? It's lots of things. And I already had a pretty great one in the Salsa Cutthroat . The Cutthroat is at the hardcore adventure end of the gravel scene, bordering on a drop bar MTB. In fact, if you look at the bottom of the down tube, you'll see a map of the Tour Divide for which it was designed. Over the couple of years I've had it, I've set it up to do anything short of full MTB riding (including an hour-long bomb run descent down at the Grizzly Gravel ). It wears mountain bike 2.25" race tires some of the time. But for other rides, I've had a set of 38m, gentle knobby tires for more champaign gravel, sporty, or touring use. But there's the trick:. I've also evolved the setup as a whole for good performance on rugged trails with a Redshift suspension stem and an PNW Coast suspension/dropper post and those MTB tires at the expense of a more nimble configuration. It is a great setup that can be used for so...