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pifko
EdwardZ
Looking at what they wrote they'll not get anywhere. Their methodology is quite ill-suited to get a meaningful comparison. Back about 15 years ago Jobst Brandt tried to do some tests but beyond demonstrating the impact of cement type and technique on rolling resistance he did not, I felt, get meaningful results either.. He believed to show that clinchers had lower RR than tubulars. Back then a friend was working with a number of elite cyclists and Continental and they got significantly different results. A poorly mounted tubular using glue tape, of course, won't deliver good rolling resistance but at the elite level tyres are neither poorly mounted nor do they use tape...