Originally Posted by
pm124
it will be interesting to see whether you notice a difference. I found the Racer to be sluggish. Did you replace both tires? The front matters almost as much as the rear.
My Racers feel a lot quicker at maximum pressure (85psi). They feel a lot slower at 75psi (guage with unknown accuracy) but still a lot better than the original Birdy tires.
David