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Emyr
Sorry to distract from team GB, but what would be the approx time/aero gain between the following sets of wheels - riding 310km from London to Paris (solo) at around 25kph average?
Mavic Ksyrium Elite (2014 ish)
Giant P-SLR 1 50mm clinchers
Mavics are really easy to change a tyre, I have had some angry moments, and pinched tubes with the Giants, so just trying to weigh up the options.