Originally Posted by
repechage
Take a bike, run 21-23 mm tires one it and then run 27-29 mm tires on it. Take some descents. It will not feel like the same bike.
+1.
wheels (esp "aero" front wheels) and tires influence handling tremendously, so do chainstays. But this was originally a thread about steering geometry.
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Vintage, modern, e-road. It is a big cycling universe.