With an aero bottle like the Specialized Virtue or Elite bottle, the P5 will still be faster. When Cervelo tested the P4 with the Speed Concept and other bikes, it did apple to apple with bottle setups, fastest configuration, etc etc. I would fully expect the figures stated to include hydration on the P5

There will be a bottle specific for the P5. We (TorHans) will have more details on this soon.

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Hans Bielat
TorHans LLC Co-Founder, Owner, Chief Innovation Officer
http://www.torhans.com

damon --- the aduro bars would work on the p4 were it not for cable alignment. is it too late for cervelo to correct that to make it available for us p4 owners who have a superbike but no integrated bars?

you guys knew that the aduro was / could be sold separately for use in 1 1/8 steerer tubes. the least cervelo could have done was think about your most recent bike (p4) which did not have an integrated bar (unlike the competition) and asked 3t to design the aduro in such a way to be compabtible with the p4

is it not too late to make changes to the design since it has not been approved by UCI yet?

we are just talking of a cables alignment problem here so that should be easy for them.

IN MY OPINION IT IS A MATTER OF EXTENDING THE TAIL PORTION OF THE STEM SO IT REACHES THE CABLE HOLES OF THE P4. OR SIMPLY LEAVING THE REAR PORTION OF THE ADURO STEM OPEN SO THE CABLES ARE FEE TO EXIT A LITTLE FURTHER TO REACH THE P4 HOLES.

PLEASE? .

thanks,

andrew

Downtube or between arms? Or both?

I really doubt the ventus give up much if any thing to the aduro. Esp. The first version with the integrated brake levers which is available on the secondary market. Just use thise, or if you must have the best of the best, sell your p4 and get a p5

Solo di2 bar end shifters-I thought these could NOT be run by themselves(according to shimano literature)Is this just Shimano propaganda or are these P5 bar end shifters different than standard??I suspect all current Di2 tt rigs have Both bar end and brake lever shifters.also I have not seen any pictures of a P5 with spacers .Could you show a picture with maximum stack-55mm spacers and high aerobar??Many thanks

Di2 shifters at the ends of the aero extensions can absolutely be ran alone.

Hi Drgwood,

Downtube bottle/storage for the BB gusset area. Again, we're still working on the details and designs. A lot of CFD testing/tweaking and working with Cervelo lies ahead. Our goal is to achieve similar positive results like we saw on our design of our Vr bottle for Felt, and on par or better than the bottle that Cervelo did for the P4. We expect these units to be available around late spring earler summer.

Nothing planned for between the arms as we still believe and tested our Aero 20 to be the fastest shape/way to carry fluids on the aero extensions. (shameless plug, I know. ;)) Although we know Cervelo's opinion has been a bottle between the arms is the fastest, hence the cage on the aero extensions, they have never tested any of our products in the wind tunnel, so we are going to give them these bottles to test on their next trip. Having said that we may design a new mount for the Aero 20/30 to accommodate the larger diameter (>22.2cm) of the 'flat' section of the 3T bars aero extensions. The current mount will work but you would have to use foam padding underneath the mount to be secure.

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Hans Bielat
TorHans LLC Co-Founder, Owner, Chief Innovation Officer
http://www.torhans.com

Hi BMANX,

Yes, the two right angle bends between the seat tube and seat stay would add too much cable friction.

Cheers,

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Hi wsrobert,

Yep, mechanical shifting works great on all P5s. In fact there's only one P5 frame, so there's only one answer. ;-)

Cheers,

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Thanks Scott.

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Hi Herbert,

You're exactly right. The X-Low mounts the extensions and arm pads 20mm lower, putting the extensions below the base bar and the arm pads "on" the base bar. The X-Low is still under development so we only have CAD, no physical prototypes at this stage yet.

Cheers,

---

Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Hi Gregg,

Good ideas, and ones we've thought of. You're right there's no room for the cables to go around the sides of the steerer tube. That's why it has to be cut.
We'll be listening closely to judge how big the demand for some kind of temporary piece might be.

Cheers,

---

Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Hi denali2001,

Obviously if you don't put a bottle between your arms, the TrueAero cross brace makes a nice computer mount.
If you do mount a bottle cage between your arms, you could attach your computer using 3T's existing computer mount. It clips onto the two extensions and computer mounts in the middle.



http://3tcycling.com/...untbridge&pid=61

Cheers,

---

Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Hi david,

Yep, the Cervelo-3T Aduro accepts all 3T (and most any 22.2mm) extensions. You can even adjust the length and rotation. ;-)

Cheers,

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

I wonder if you could drill and tap this part to mount water bottles cables to it. I have my computer mounted on my stem.

If the cables are little bit long, you (or 3T) wouldn't even have to redesign the aerobar and/or the integrated stem. The new 'cap piece' could be designed to both accommodate a hole for the steerer and two (or one) fore-aft oriented channels to run (sort of) "diagonally" placed cables that would be routed both slightly above the current cap piece and routed to the sides of the protruding steerer.

The cable channels would pop out and then pop in. So they might look a little like this (conformal fuel tanks on a fighter jet):

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Advanced Aero TopTube Storage for Road, Gravel, & Tri...ZeroSlip & Direct-mount, made in the USA.
DarkSpeedWorks.com.....Reviews.....Insta.....Facebook
--

Hi andrew,

Good points, and we considered exactly that. In the end we chose to design the bar perfectly to the P5, but I'm sure 3T are planning a more generic version. Leaving off the back as you suggest seems like it should do the trick.

Cheers,

---

Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Damon,
so if I am 99.9% sure of my position and need an x-low Aduro mount, I am out luck at moment? any ideas when those mounts will be available?
what are the Garmin boys (i.e. DZ) going to use in interim to get them super low?
Thanks
Rob

Hi carbonsport,

I didn't assemble Frederic Van Lierde's P5 myself, so I don't know if anything special was done, but his Di2 TT shifters seem to be working fine without Shimano brake levers.

I'll be sure to include an image of the 55mm max spacers + High-V bar in the upcoming white paper.

Cheers,

---

Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

You do not need to us any shifters with Di2 TT pods. Heck you do not even have to use any shifters from Shimano to run electronic shifting.

I probably missed it- even though I've read most of the P5 threads- so thank you in advance if you've answered this before...

1. Since the Tri version / P5 Six Fork is not-UCI legal, did you not want to do what Specialized did- and also make the frame non-uci legal? I would think this would get additional time savings by having a blank slate and not worrying about 3:1 dimensions? Or was it more of a cost/benefit/sales analysis and the market wasn't large enough/too much costs?
2. Also, why keep the aerobar UCI legal? I would think an even faster design could have been made on the leading edge of the bike?

Thanks-
Mark

Hi Mark,

You're exactly right on all points.

Cervelo is still a small company, so making two versions of the frame was a reach too far for us. We're still making the fastest frame in the world, even within UCI regs, so there's not yet a strong need to go outside them. The aerobar was designed to be within UCI regs as a "flexible" design goal, with plan B to go outside the regs if necessary to make it the fastest. But in the end it wasn't necessary. Multiple forks on the other hand, we can do.

In the States, there's not a lot of reason for UCI compliant bikes, even in bike racing. (Some, yes, but not much.)
The rest of the world however has more races that fall under UCI regulations, so considering the world wide market a UCI legal bike is still important. I recognize this might not be a thought that occurs normally among Americans. Even I, an American, learned this when I moved to Canada and had to comply with UCI regulations for the first time. And I don't race at a very high level. It was kind of an eye opener - I'd been somewhat blind on this topic living in the States.

Cheers,

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Damon Rinard
Engineering Manager,
CSG Road Engineering Department
Cannondale & GT Bicycles
(ex-Cervelo, ex-Trek, ex-Velomax, ex-Kestrel)

Damon,

2 interesting things about the geometry across the board.

First one is the 75mm BB drop. I hate the old 60 mm BB drop that I had a while ago on my P3SL. Why has the BB drop been so "high" on the older bikes. I hated how the handled in technical decents and corners. It's the number 1 reason I got rid of the old P3SL. I think the P3 was also 60.

Second is the 40 cm chainstay length. In theory, tighter is better when riding steep. Again, my only P3SL was barely 37. You guys then went to 38 or so in the P3C. I hated the 37 for chain line. 40 cm is great for chain line, but potentially worse for handling and weight distribution.

Could you answer these two....by the way, I like the move to both the low BB. Not sure if 40 cm is needed though. That seems more in line with most road bikes which is fine at 74 degree seat tube angle, but without the rear wheel tucked closer under the seat, wonder how that will affect weight distribution.

thanks

Dev

Especially for TT bike where you are likely to be pedalling through tight corners I like a low BB. Never could tell why Cervelo was high, as that can't help CdA either.

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Styrrell