CerveloP5 Ultegra Di2 Triathlon Bike
If you’re a triathlete or time triallist chasing every marginal gain in pursuit of faster bike splits, the Cervélo P5 Ultegra Di2 Triathlon Bike is your ultimate weapon against the clock. Designed with a singular focus, delivering maximum speed from start to finish, the P5 is a proven race machine, equally at home in Kona or in a Tour de France stage-defining time trial. Every element has been fine-tuned through aerodynamic innovation and real-world race demands, making it the perfect choice for riders who are serious about saving seconds where it matters most.
What sets the P5 apart is its powerful combination of aero performance, precision fit, and endurance-ready design. Fitted with Reserve’s 77/88 Turbulent Aero Wheelset and 29mm Vittoria Corsa Pro tyres, the bike delivers outstanding aerodynamics and reduced rolling resistance. The lowered basebar reduces drag, while frame-size-specific adjustable extensions provide a refined, aggressive yet comfortable position. Despite its uncompromising race pedigree, the P5 features fastback seatstays to add subtle compliance, keeping you fresher for the run or stronger through the TT finish line. With integrated storage designed for efficient fuelling, this is a race-day bike that goes beyond speed, it’s built for performance that lasts.
Technical Specification
| Frame | P5 all carbon |
| Fork | Cervélo All-Carbon, Bayonet P5 Fork |
| Headset | FSA IS2 1-1/8, 36° x 45° / 1-1/4, 45° x 45° |
| Front Axle | Cervélo Aero Thru Axle Front, M12x1.5mm, 127mm length |
| Rear Axle | Cervélo Aero Thru Axle Rear, M12x1.5mm, 170.5mm length |
| Front Wheel | Reserve 77TA, DT Swiss 240, 12x100mm, 24H, centerlock, tubeless compatible |
| Rear Wheel | Reserve 88TA, DT Swiss 240, 12x142mm, HG freehub 24H, centerlock, tubeless compatible |
| Tyres | Vittoria Corsa Pro TLR G2.0, 700x29c |
| Crankset | Shimano Ultegra, R8100, 52/36T |
| Powermeter | 4iiii Precision Pro, GEN3+ Dual Sided |
| Bottom Bracket | FSA, BBright thread together for 24mm spindle |
| Chain | Shimano M8100 |
| Shifters/Brake | Shimano Dura-Ace, R9180 |
| Derailleurs | Shimano Ultegra, R8150 |
| Cassette | Shimano Ultegra, R8100, 11-30T, 12-Speed |
| Bar End/Satellite | Shimano Dura-Ace, SW-R9160 |
| Basebar | Cervélo HB15 Carbon |
| Extension | Profile Design 52ASC Extension Assembly |
| Riser | Cervélo EX14 Carbon |
| Saddle | Selle Italia WATT Superflow Ti316 |
| Seatpost | Cervélo SP23 Carbon |
| Brake Rotors | Shimano CL800 Centerlock |
| Pedals | Available to be purchased separately |
| Accessories | Cervélo Rear Hydration Mount, Cervélo P5 Stem Storage, Cervélo Smartpak Top Tube Storage Bag 400, Cervélo Aero Water Bottle w/ Cage |
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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