Originally Posted by
chas58
Odd. I'd consider giving them another try if you wanted an alternative. They fell super fast to me (I'm using the 60mm version). They have always been way below everything in rolling resistance on BRR web site for about 6 years now.
The big one uses a different rubber compound and casing which has been attributed to the lower rolling resistance . New ones are significantly slower and my experience reinforced that for me