Oh, specifics, eh? I guess we've moved beyond the realm of wild speculation and baseless assumptions. *slow clap*
A slack head tube angle can certainly add stability on rough terrain, but it might make the bike feel a bit sluggish on pavement. Increased trail can also enhance stability, but it might come at the cost of quick handling. As for lower bottom bracket height, it can improve cornering clearance off-road, but it might lead to more pedal strikes on the road.
Tire clearance is crucial for gravel riding, allowing for larger, more comfortable tires. Chainstay length plays a role in maneuverability, with shorter stays generally making the bike more agile, but potentially sacrificing stability. Seatstay design can affect compliance, with curved or flex-stays allowing for a bit more comfort on rough surfaces.
But remember, these are just design features. The real measure of a gravel bike is how it performs for you, on the terrain you ride. So, sure, let's separate the "genuine" gravel bikes from the "pretenders". Just don't forget that "genuine" is a matter of perspective, not an absolute truth.
