The P5X is faster and more aerodynamic than any other triathlon bike we have tested. And it is not just fast in the lab - the P5X is the most aerodynamic bike when you ride it fully loaded with the hydration and nutrition requirements of a long distance race.
Optimized for You
The P5X is designed to be user-friendly along your entire journey. Precise adjustments to fit and handlebar position are easy to make using an Allen key. Flexible integrated and modular storage lets you set up your storage just how you like it, and a custom bike bag makes packing and travel easy.
Our engineers applied advanced design and construction techniques to create a frame that is stiff where it's needed for pedaling efficiency, while compliant for a smooth ride. The result: you feel strong and comfortable during the bike leg and primed for a good run.
Split Base Bar
Engineering / of
Ride harder, longer
When you're spending hours in the saddle, comfort is essential. The right amount of vertical compliance in a frame makes for a smoother ride, helping to reduce rider fatigue. The P5X's radical frame design (with no seat tube or seat stays) and special lay ups provide a huge improvement in rider comfort.
- 10x more vertical compliance than the P5
Engineering / of
Less Drag, More Speed
Aerodynamics are critical to engineering a fast bike: aero drag accounts for as much as 90% of the overall resistance affecting a rider. The P5X is designed to be an aerodynamic system incorporating the rider, bike, and storage, so you can reap the benefits of reduced drag even when the bike is fully loaded.
- 31 grams faster (which translates to 4 watts) than the P5 when set up for an Ironman
Susie Cheetham - Pro Triathlete
"The bottom line about the P5X is it’s a rocket. It’s the fastest bike I have ever been on when it comes to descending or riding on the flats."
"It is every bit as solid and stiff, and more, than any tri bike I’ve ever ridden or any road bike for that matter."
"You feel connected to this bike instantly. After two test rides in the relentless winds in Kona, we were able to appreciate the speed and stability of the P5X."
- A Stack
- B Reach
- C Wheel Size
- D Head Tube Angle
- E Trail *
- F Fork Offset
- G Head Tube Length
- H Bottom Bracket Drop
- I Front Center
- J Rear Center
- K Wheelbase
- L Standover Height
Bike Size and Setup Calculator
No more geometry charts or elaborate sizing charts to decipher, we have taken the guesswork out of choosing the right bike. Our tool utilizes a rating system that takes your x/y fit coordinates and determines your best size from a range of adjustment, weight distribution and handling perspective.
Simply enter your arm pad stack and reach, along with saddle height to discover your perfect bike.
|BASED ON YOUR FIT COORDINATES IT IS RECOMMENDED TO CONSULT A EXPERIENCED BIKE FIT EXPERT FOR BEST RESULTS|
|Riser Post Height|
|Extension & Pad Mount Position||Flipped ForwardFlipped Backwards|
|Pad Bolt Position|
|Exposed Seat Post Height|
*This is a sizing tool and not a fit tool. Entering the contact point data of a poor bike position will result in that same poor bike position on your P5X. It is recommended that you see your local fit professional for assistance in order to ensure you're in the right position.
The P5X offers an enormous range of fit adjustments, including 8 potential positions from the pads alone. Shown below are the 8 possible positions and Cervélo's designation for each.