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"The reduction in CdA for both legs is up to ~0.004m2, with rider-rider variations. This typically translates to a ~5w or ~7sec saving over 10 miles."
Know of any handy calculators that can equate CdA reductions to speed differences? Assuming that's the uppermost benefit, how much would it gain me during a 12hr. I assume that 7sec/10mi is at 30mph and my maths isn't very good.
hippy
umop3pisdn
You already have one of the fastest wheels out there, and leg trips give a proven CdA reduction.
Getting lower isn't necessarily faster, look at TarmacExpert and Tops' positions on the bike. They don't look anything like someone like Bottrill, but they are very slippery.
Aerocoach gives you real-time analysis and Xavier is your aerodude. Much better to spend your money on that than a new disc wheel.