So here is Emma Pooley on her “P4”:
That seat tube is much bigger than the seat tube on a normal P4:
What do you guys think? Not sure if its just the angle of the camera, but after looking at a bunch of pictures of both bikes, I can’t help but wonder if its a different bike.
Nah…it couldn’t possibly be a P3? 
In top picture, X = 4
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Is the rear brake there? I’m not seeing it.
Explain the bottle on the downtube
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She rides a 650c bike. I bet that it is going to look a bit different than the 700c version.
Explain the bottle on the downtube
After market one? Velcro strapped in place? Besides, the P3 has low cage mounts about there on the downtube anyway so very very very likely to be a P3 rather than a PX.
Check the Cervelo website. The P3 picture is even white to make comparisons even easier.
Doesn’t she ride a 48 with 650 wheels?
Velcro strapped in place?
A world champion is going to velco strap a bottle in place in a TT? Please.
This is most definitely probably a p3, but there are some strange things about it. The downtube looks cut out, seatpost looks a little different than a normal p2/3/4 seatpost, etc.
There are several brands of aftermarket bottles that velco in place, to fit any down tube. A buddy of mine here at work has one.
For a world champion? I guess she or her handlers had decided the aero impact of velcro at that location would be outweighed by the aero advantages of fitting the bottle down there in the first place.
Besides, with her leg in the way, it’s hard to see exactly what is there, and you only asked for an explanation, and I gave you one based on what I know. You may know more. If so, let me know.
Cervelo has this picture on their website as part of a new experimental build.
http://www.cervelo.com/en_us/news-blog/engineering/article/the-p4-fork--a-prodigious-father/2936/
it is a p4.
the bottle there is the same ones the men’s team uses on their p4s.
the seat tube probably looks thick because it is a tiny 650c p4 with the uci legal seatpost in it.
You guys are hilarious. That is so obviously 650c p4.
Dropped down tube at the fork/down tube interface makes it impossible to be a p3.
The seat post is merely the uci legal version that Emma needs to use.
hidden rear brake under BB obviously rules out P3 as well.
I agree about the top of the seat tube (UCI legal seat post), but the curved part looks to be approximately equally deep. The P4 they are considerably different.
Also, on Emma’s bike, there doesn’t appear to be a “tail” or fairing at the back of the top of the seat tube, sorta along the top of the tire for a couple of inches like the P4
Hi Tridork and all,
Excellent sleuthing, but Emma’s on a stock P4, in the 48cm size, thus 650C wheel, as some of you already guessed.
The longer seat tube chord is primarily because the same bottle & cage are used on all the P4 sizes, which drives the seat tube’s leading forward somewhat, and at the same time the seat tube’s trailing edge extends rearward to the smaller tire. There are other small differences here and there driven by the limits of the UCI boxes as they float on their defined intersections.
Cheers,
So, the 48cm 650C P4 has a deeper chord curved seat tube? and no tail faring or is that just difficult to see in the photo?
this should help
http://www.flickr.com/photos/perfectmotion/5354169387/in/photostream/
p4?
this should help
http://www.flickr.com/...9387/in/photostream/
p4?
How does that help? I was expecting a picture of a bike, not a lycra clad blonde! Far out!
Thank god, you passed the test.