Originally Posted by
revchuck
My coach told me she wanted me to get some no-s**t racing tires instead of the Pro4 Endurance I've been racing on. Since I work at a Specialized shop, I ordered a pair of
these. I'm not sure I'll notice a difference other than increased wear, but I'll have cool tires.
Going from a cheap tire to Bontrager R4's was noticeable.