Description
Cervelo P5 Ultegra Di2 Triathlon Bike
The Cervélo P5 features a Shimano Ultegra Di2 12-speed electronic drivetrain for reliable and efficient shifting, combined with Reserve 77|88TA carbon wheels, making it the perfect bike for triathletes.
FAST GETS FASTER
If you’re a triathlete or time triallist chasing every extra second in pursuit of quick bike times, the Cervelo P5 Ultegra Di2 Triathlon Bike is your ultimate weapon against the clock. Engineered with one mission, maximum speed from start to finish, the Cervelo P5 Tri Bike is a proven podium-topping machine, equally at home in Kona or in a decisive Tour de France time trial. Cervelo p5 triathlon bike is built for elite-level performance when it matters most, with every element of the Cervelo P5 Ultegra Di2 shaped by aerodynamic science and race-day demands, making it the ideal choice for riders serious about shaving seconds where it counts.
What truly sets the Cervelo P5 Ultegra Di2 apart is its blend of aero efficiency, custom fit adaptability, and long-course readiness. With Reserve’s 77/88 Turbulent Aero Wheelset and 29mm Vittoria race tyres, you gain both reduced rolling resistance and superior aerodynamics. The basebar lowers drag, while adjustable extensions, now sized specifically to each frame size, allow for a dialled-in, aggressive yet sustainable position. While most definitely a race weapon with an aggressive TT position, the fastback stays allow for extra compliance, ensuring you roll into 2nd transition or finish a TT feeling fresher. Triathletes will especially appreciate the integrated storage options, helping manage nutrition without compromise.
Cervelo P5 tt bike is a contre la montre catalyst. It’s made for one thing—helping you go as fast as possible between Point A and Point B.
As at home on the Big Island as it is in a race-critical time trial at the Tour de France, the Cervelo P5 Ultegra Di2 enables exceptional performances. The past decade of elite road racing has shown the importance of being able to deliver a strong time trial late in a Grand Tour, and the P5 was a key part of Team Jumbo-Visma’s Giro d’Italia and Tour de France wins in 2023.
On the new bike, we focused on creating a fast platform that could be made faster with the latest wheels and cutting-edge fit adaptations. There’s room for a 34mm tire on wide wheels, which improve aerodynamics and reduce rolling resistance. The basebar is lower to reduce CdA but possible stack has increased, and the extensions can now be adjusted between 0 and 30 degrees in five-millimeter increments. For triathletes, we include a variety of storage options, because half the battle is taking in sufficient calories to deliver a strong marathon. Also new on this bike? A size 61 to help all of our tall friends achieve a better fit.
SIMPLICITY & ADJUSTABILITY
The new one-piece front end (first pioneered on the S5) is simpler to assemble and adjust, and stack is now adjustable up to 40mm, while the basebar height drops by 10mm to minimize frontal area. The new riser increases tilt adjustability, 0 to 30 degrees, in 5-degree increments.
SPEED
The new Cervelo P5 frame is about a watt faster aerodynamically than the previous model, and has clearance for 34mm tires. That clearance means plenty of room for Reserve’s new 77/88 wheelset, and Vittoria’s 29mm tire. which saves about 4 watts over the previous Reserve/Vittoria pair for a total system savings of about 5 watts.
COMFORT & CONTROL
The new armrests and pads on the P5 Cervelo are wider, taller, and thicker than before. It’s definitely more comfortable, but it’s also more confidence-inspiring. More surface area here leads to better control, which means more time in the most aerodynamic position possible.
COMPLIANCE
The new fastback seat stay design reduces vertical stiffness by about 22% (while maintaining the lateral stiffness needed for power transfer). The TT position is unforgiving (to say the least), but the new cervelo p5 time trial bike will help you roll into T2 a lot fresher.
SRAM INTEGRATED POWER
Red and Force builds include Quarq Zero powermeters integrated into the crank. The integration of a powermeter results in better stiffness, lighter weight, and improved accuracy over aftermarket solutions—and the DZero delivers power measurement accurate to +/- 1.5%, even in variable temperatures.
Technical Specification
Features
Specifications
FORKCervélo All-Carbon, Bayonet P5 Fork
CASSETTEShimano Ultegra, R8100, 11-30T, 12-Speed
HEADSETFSA IS2 1-1/8, 36° x 45° / 1-1/4, 45° x 45°
BAR ENDShimano Dura-Ace, SW-R9160
FRONT THRU AXLECervélo Aero Thru Axle Front, M12x-1.5mm, 127mm length
BASEBARCervélo HB15 Carbon
EXTENSIONProfile Design 52ASC Extension Assembly
REAR THRU AXLECervélo Aero Thru Axle Rear, M12x- 1.5mm, 170.5mm length
RISERCervélo EX14 Carbon
FRONT WHEELReserve 77TA, DT Swiss 240, 12x100mm, 24H, centerlock, tubeless compatible
REAR WHEELReserve 88TA, DT Swiss 240, 12x142mm, HG freehub 24H, centerlock, tubeless compatible
SADDLESelle Italia WATT Superflow Ti316
SEATPOSTCervélo SP23 Carbon
SHIFTER/BRAKEShimano Dura-Ace, R9180
FRONT DERAILLEURShimano Ultegra, R8150
REAR DERAILLEURShimano Ultegra, R8150
BRAKE ROTORSShimano CL800 Centerlock
TIRESVittoria Corsa Pro TLR G2.0 700x29c
POWER METER4iiii Precision Pro, GEN3+ Dual Sided
CRANKSETShimano Ultegra, R8100, 52/36T
BOTTOM BRACKETFSA, BBright thread together for 24mm spindle
ACCESSORIESCervélo Rear Hydration Mount, Cervélo P5 Stem Storage, Cervélo Smartpak Top Tube Storage Bag 400, Cervélo Aero Water Bottle w/ Cage
CHAINShimano M8100
SIZES 48, 51, 54, 56, 58, 61
*Specifications are subject to change without notice
Geometry
| 48 | 51 | 54 | 56 | 58 | ||
|---|---|---|---|---|---|---|
| A | Reach | 387 | 403 | 417 | 431 | 444 |
| B | Stack | 466 | 486 | 502 | 521 | 539 |
| C | Head Tube Angle | 71° | 72.5° | 72.5° | 72.5° | 72.5° |
| D | Front Center | 582 | 583 | 602 | 622 | 640 |
| E | Bottom Bracket Drop | 75 | 75 | 75 | 75 | 75 |
| F | Wheelbase | 975 | 976 | 995 | 1015 | 1033 |
| G | Head Tube Length | 67.5 | 81 | 98 | 117 | 137 |
| H | Standover Height | 728 | 754 | 769 | 786 | 804 |
| All measurements in degrees or millimetres | ||||||
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.

























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