Originally Posted by
PatrickGSR94
A 20" tire has to spin roughly 35% faster for any given speed, than a 700c tire does for the same speed. That's a fairly significant difference.
It spins at a rotation speed 35% faster. The edge of the tire moves at the same rate as a 700c tire.
I don't see why brake pads would necessarily wear more quickly, unless 20" pads are shorter than 700c pads (which is probably true on average). I do see why rims would (as they are 35% shorter in circumference.
Cheers,
Charles