If the industry had stayed with 26" wheels, there would be no need for dual crown "enduro" forks, 223mm brake rotors, 4-piston brakes on light-duty trail bikes, etc, but with 29" wheels there's so much more leverage and inertia. A 29" 170mm fork is over an inch taller than a 26" 170 fork, typically with less bushing overlap. They twist, they bend, they flex, and they creak. Most of all, they feel sketchy in really rough/steep/fast terrain. Haven't ridden the new crop of 38mm single crown forks, but at 190 pounds and 6'3" I can substantially support the argument that...