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I know right? Thing is, Wiggle have their super light, 50mm deep, crash replacement / 3 year warranty wheels winking at me for not much more than a second hand set of unknown wear on ebay.
TBH I like my shallow aluminium wheels and don't need another set, but seems silly not to go deep for TTs.
dbr-
Don't believe the hype... there aren't 20 Watts to be had for going a few cm deeper on the rim. Those figures are extracted at the best possible yew angle, which obviously never happens in real life, let alone in a TT.
If you have money to waste, by all means, get the best possible equipment, but if not, then invest wisely and wheels would be at the very bottom of my wish list.
A good winter of Pilates might give you core strength and flexibility, necessary to hold a good aero position for the hour or so needed at the National Road Bike champs (should be around 25 miles, give or take). That is worth some serious Watts. I find that without the help of tribars, I can hold a good position with flat back and head tucked in for a couple of minutes only, before I need to change it... so long way to go here... maybe you can do better
ugosantalucia
I was going to sell my old Powertap 404s but then decided it's not worth it and to keep them until I kill them. Unfortunately this means they're being rebuilt with new spokes and I don't have them. There must be tonnes of aero rim brake wheels around in sheds from everyone upgrading to disc bikes.