Quote:
Originally Posted by mattsurf
As more bikes become disc brake only, wheel designers will be able to play with the rim shapes to make them more aero, this is where a load of benefits will come
My own experience: I was riding my TT bike in Ironman Zurich (appologies to all Triathlon haters). Climbing Heart Break hill, supporters shower the riders with cool water, however, immediately after HB Hill, there is a short technical descent, I hit my brakes at 35-40mph to go into the first corner, my brakes and wheels were wet, it was clear I wasn't going to make it, so I bailed and went straight on, crossing a small traffic island, and mounted the sidewalk, luckily there was a dropped curb on traffic island and sidewalk for pedestrians. My next TT bike will have discs.
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I think it was Cervelo who determined that for the bike itself, the biggest factor for aero was the handlebar shape by far.
Tri shows that the rider and his/her position and clothing mean more than negligible losses below anyway.
I don't do Tri but I like the bikes and tech that go into them.