I think this new trend on longer chainstays will end up shortening reach a little, and even bringing back seat tube angles a little as well (keeping ETT while moving the bb forward a bit), in order to keep adecuate front-rear bias, at least from the most extreme numbers seen on some bikes. Head angles will normallize around 63.5° BB height, taken as a static meassurement is of little interest, the shape of 160mm enduro bike and a 200mm dh bike is very different while riding, even if they share the same bb height while stationary All this is a...