Dude, you're just looking for a problem that doesn't exist.
Running too wide tyres is a problem. A little bit of mud or other gunk can create problems without even frame flex.. And yes flex is real.. Never had to open your rear calipers on hard climbs?
Running too wide tyres is a problem. A little bit of mud or other gunk can create problems without even frame flex.. And yes flex is real.. Never had to open your rear calipers on hard climbs?