Cervelo P2C 2008 - TT/Tri BikeThe Cervelo P2C was designed to maximize aerodynamic performance. Cervelo wanted to bring forth a truely aerodynamic carbon frame to the consumer at prices far lower than usual pro level bikes.
Highlights
Constant width seattube cutout – The cutout has a constant width, closely covering the rearwheel tire. Most cutouts (with the exception of the P3) have a cutout width that varies as you move up and down the cutout, thereby hampering the proper airflow from the seattube to the rearwheel.
Aero headtube - no bulky nose cone, but an extremely thin, aerodynamically optimized shape
New Cervélo aero carbon IAA seatpost - With its Integrated Accessory Attachment, this new seatpost can secure behind-the-seat components such as water bottle holders much more securely. Expect new products for the IAA system soon.
Integrated Seattube collar - By integrating the seattube collar completely into the toptube, we are able to smoothen the aerodynamic profile even further. The airflow doesn't even see the collar, yet the seatpost can be removed with ease. By integrating the seatpost into the frame aerodynamically but not structurally, you can fit the P2C into any bike case and travel without a problem, something that is very difficult to do with other integrated seatpost solutions that have the seatpost molded into the frame in one piece and that do not allow for the seatpost to be removed.
And Cervelo certainly have first-hand experience with this, as the original Cervélo P2 was the first bike to sport an integrated seatpost that was permanently attached to the frame. While it was the best solution they could come up with back in 1996, the new system with the removable seatpost is superior not only for traveling but also aerodynamically, as it allows them to use a much narrower seatpost than if it was a structural part of the frame.
ICS Internal Cable Stops - The best internal cable stop system available. Easy to install, easy to service, easy to keep clean and improved aerodynamics.
UCI legal - As with all our frames, the P2C is UCI legal
Frameset - The P2C is also available as a frameset
The P2C is available as a frameset or as a DuraAce or Ultegra-equipped bike.
|
Part |
Ultegra TT/Tri Kit |
Dura-Ace TT/Tri Kit |
| Fork |
Wolf TT |
Wolf CL/Wolf TT 48cm |
| Seatpost |
Cervélo aero carbon |
Cervélo aero carbon |
| Shift Levers |
Shimano DuraAce Bar-ends |
Shimano DuraAce Bar-ends |
| Front Derailleur |
Shimano Ultegra |
Shimano DuraAce |
| Rear Derailleur |
Shimano Ultegra |
Shimano DuraAce |
| Cassette |
Shimano Ultegra 12-25 |
Shimano Ultegra 12-25 |
| Chain |
Shimano Ultegra |
Shimano Ultegra |
| Brake Calipers |
Cervélo Mach 2 |
Cervélo Mach 2 |
| Brake Levers |
Dia Compe 188 |
Dia Compe 188 |
| Crankset |
FSA Gossamer MegaExo |
FSA SLK MegaExo Carbon |
| Bottom Bracket |
FSA Gossamer MegaExo |
FSA SLK MegaExo |
| Headset |
FSA |
FSA |
| Stem |
Visiontech Sizemore |
Visiontech Sizemore |
| Basebars |
Visiontech |
Visiontech |
| Aerobars |
Visiontech |
Visiontech |
| Saddle |
Cervélo TT special |
Cervélo TT special |
| Wheels |
Shimano R-500 |
Shimano R-550 |
| Tires |
Vittoria Diamante Pro Slick |
Vittoria Diamante Pro Slick |
| Specs may change without notice. |
Upgrades from the P2SL
More aerodynamic frame – By exploiting the opportunities of carbon fibre, the headtube, downtube and rearwheel cutout are further improved. The seattube collar is also fully aerodynamically integrated.
Lighter frame – While the P2 SL already has a very competitive weight, the P2C shaves another 100g off.
Lighter, more aero fork - The P2C comes standard with the Wolf CL fork, 150g lighter than the Wolf TT and more aero thanks to a smaller frontal area (the Wolf CL is available on the P2SL in the Pro version)
Lighter, more aero seatpost - The P2C seatpost has a better thickness-to-chord ratio
Geometry
77-78 degree seattube angles have become more and more common for time trial and triathlon bikes in the past few years. Whereas in the past time trialers often rode at more shallow angles in the 74-75 degree range, the situation is no longer as lopsided. Riders like Zabriskie, Voigt, Julich and many of their Team CSC colleagues now ride at 77-78 degrees, and if it weren’t for the restrictive UCI rules on saddle position, some might even ride steeper. Other teams are starting to catch on to this trend as well, and no wonder if you look at the results Team CSC garners in time trials.
But even if you aren’t a professional cyclist, there are compelling reasons to ride steep on a time trial bike:
With lower back flexibility often a limiting factor, a steep seattube angle allows you to attain a flatter back without having to change your body’s “internal” angles (hip angle, knee angle, etc). Basically, a steeper seattube angle rotates the rider forward around the bottom bracket, thereby leaving the internal angles intact while positioning the back more horizontal. A steeper seattube angle can allow you to even open up your hip angle, thereby reducing the strain on your lower back as well as making the pedal motion less restrictive. For triathletes, several studies have shown that running times after riding a bike decrease if the bike was ridden with a steep seattube angle. That said, a steep seattube angle is not for everybody and it remains a personal preference, so we offer our TT/tri bikes with adjustable geometry, allowing for an effective seattube angle anywhere in the 74-79 degree range.
As you move through the range of effective seattube angles, the effective toptube length also changes.
Note that we say effective seattube angle, as the standard seattube angle is really a very inadequate dimension. It does not describe very well the position of the point that actually matters for fitting, the saddle. A 75 degree seattube angle with a large setback seatpost and the saddle pushed backwards is a lot less steep than the same seattube angle with a zero-offset post and the saddle forward. The variation between these two situations can be as much as 3 degrees, yet both are called 75 degree seattube angles. So to really be able to intelligently compare positions, it is better to use effective seattube angles, which is normalized for a standard seatpost setback and a saddle position in the middle of the range. In the example above, we would call the first situation an effective seattube angle of 74 degrees, and the second situation an effective seattube angle of 77 degrees. In other words, you can achieve the same position for the saddle (and therefore the rider) with different seattube angles, as long as the seatpost and saddle position are adjusted to create the same effective seattube angle.
In the geometry tables below we list the dimensions for 75 and 78 degree effective seattube angles, roughly corresponding to the two positions of the adjustable seatposts if the saddle is clamped in the center of the rails.
| 78 Degree Seattube Angle (forward seatpost position) |
| Size |
Wheel-Size |
Head-Tube-Angle |
BB-Drop |
Top-Tube |
Head-Tube-Length |
Front-Center |
Rear-Center |
Stand-Over-Height |
Stack |
Reach |
| 48 |
650c |
72° |
43 |
490 |
110 |
568 |
368 |
716 |
461 |
389 |
| 51 |
700c |
72.5° |
60 |
510 |
90 |
586 |
380 |
746 |
482 |
405 |
| 54 |
700c |
72.5° |
60 |
530 |
120 |
609 |
380 |
776 |
512 |
418 |
| 56 |
700c |
72.5° |
60 |
545 |
140 |
628 |
380 |
795 |
531 |
429 |
| 58 |
700c |
72.5° |
60 |
560 |
160 |
643 |
380 |
815 |
550 |
440 |
| 61 |
700c |
72.5° |
60 |
574 |
190 |
659 |
380 |
840 |
577 |
447 |
Note 1: The above headtube lengths are for integrated headsets. To compare to non-integrated headtubes, deduct 20mm from the above lengths to adjust for the stack height needed for non-integrated headsets.
Note 2: All Cervelo TT/tri bikes have a dropped toptube and shortened headtube to enable the rider to position the aerobars low enough for a proper aero position. This means that the frame size is no longer equivalent to the seattube length, so don't determine the size that way. Simply go by the size sticker, or measure the headtube and look it up in the above chart.
| 75 Degree Seattube Angle (shallow seatpost position) |
| Size |
Wheel-Size |
Head-Tube-Angle |
BB-Drop |
Top-Tube |
Head-Tube-Length |
Front-Center |
Rear-Center |
Stand-Over-Height |
Stack |
Reach |
| 48 |
650c |
72° |
43 |
514 |
110 |
568 |
368 |
716 |
461 |
389 |
| 51 |
700c |
72.5° |
60 |
535 |
90 |
586 |
380 |
746 |
482 |
405 |
| 54 |
700c |
72.5° |
60 |
557 |
120 |
609 |
380 |
776 |
512 |
418 |
| 56 |
700c |
72.5° |
60 |
573 |
140 |
626 |
380 |
795 |
531 |
429 |
| 58 |
700c |
72.5° |
60 |
589 |
160 |
643 |
380 |
815 |
550 |
440 |
| 61 |
700c |
72.5° |
60 |
604 |
190 |
659 |
380 |
840 |
577 |
448 |
Note 1: The above headtube lengths are for integrated headsets. To compare to non-integrated headtubes, deduct 20mm from the above lengths to adjust for the stack height needed for non-integrated headsets.
Note 2: All Cervelo TT/tri bikes have a dropped toptube and shortened headtube to enable the rider to position the aerobars low enough for a proper aero position. This means that the frame size is no longer equivalent to the seattube length, so don't determine the size that way. Simply go by the size sticker, or measure the headtube and look it up in the above chart.
Frameset only: $1998.95 *in white*
With DuraAce: $2999.98 *in white*
With Ultegra: $2499.98 *in silver* |
Gear
