I've heard the phrase but don't know exactly what it means. It's in the commentary today.
Thanks
Thanks
Your eyes tell you it's flat, maybe even a little downhill,MR_GRUMPY said:A section of the road that looks like it's flat, but it's really not. It's the type of road that you have to kill yourself to go 21 mph, but the other direction, you can ride at 25 mph without breathing hard.