Cervelo P5 Ultegra Di2 Five Black

Cervélo P5 Ultegra DI2 Five Black/Black 12-Speed Triathlon/Time Trial Bike 2026
The 2026 Cervélo P5 Ultegra DI2 five black/black is designed for one thing: helping you get from point A to point B as fast as possible. As capable in a triathlon as it is in a Tour de France time trial, it delivers exceptional performance. The last decade has demonstrated the importance of a solid time trial at the end of a Grand Tour, and the P5 contributed to Team Jumbo-Visma’s victories at the Giro d’Italia and the 2023 Tour de France. With this model, the goal was to make the fastest bike on the market even more capable. More clearance for tires up to 34 mm improves aerodynamics and reduces rolling resistance. The lower basebar optimizes air penetration while offering more adjustability, and the extensions can now be tilted from 0 to 30 degrees in five-degree increments. Designed with triathletes in mind, the P5 offers several storage options, essential for managing your supplies and ensuring a solid marathon.

Simplicity and adjustability
The one-piece front panel, inspired by the S5, facilitates assembly and adjustments. The height is adjustable up to 40 mm while the Basebar is lowered by 10 mm to reduce the frontal surface. The Risebar allows a tilt of 0 to 30 degrees in 5-degree increments.

Speed
The frame is about a watt more aerodynamic than the old model. It can accommodate 34mm tires and the Reserve 77/88 wheels with 29mm Vittoria tires. The combination allows for a total gain of about 5 watts compared to the previous Reserve/ Vittoria configuration.

Comfort and control
The elbow rests and pads are wider, taller, and thicker, providing increased comfort and stability. A larger contact surface improves control and allows you to stay in an aerodynamic position longer.

Tolerance
The fastback seatpost design reduces vertical stiffness by approximately 22%, while maintaining the lateral stiffness needed for power transfer. Less physically demanding, it allows you to arrive fresher in T2.

Integrated power sensors
Both the Red and Force builds include Quarq Zero power meters integrated into the bottom bracket. This integration improves stiffness, reduces weight, and provides +/- 1.5% power measurement accuracy, even with temperature variations.

Sizes
48cm, 51cm, 54cm, 56cm, 58cm, 61cm

Fork
Cervélo full carbon, Bayonet P5 Fork

Headset
FSA IS2 1-1/8, 36° x 45° / 1-1/4, 45° x 45°

Seat post
Cervélo SP23 carbon

Saddle
Selle Italia WATT Superflow Ti316

Front derailleur
Shimano Ultegra R8150

Rear derailleur
Shimano Ultegra R8150
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Cassette
Shimano Ultegra R8100, 11-30 teeth, 12 speed

Chain
Shimano M8100

Crankset
Shimano Ultegra R8100, 52/36 teeth

Bottom bracket
FSA threaded BBright, for 24 mm axle

Tires
Vittoria Corsa Pro TLR G2.0, 700x29c

Maximum tire width
34 mm

Accessories
Cervélo rear hydration mount, P5 integrated stem storage, Smartpak top tube bag (400 model), Cervélo aero bottle with bottle cage

Aerodynamic basebar
Cervélo HB15 carbon

Aerodynamic extensions
Profile Design 52ASC Extension Assembly

Aerodynamic riser
Cervélo EX14 carbon

Hanger width
48cm: 38cm / 51cm: 38cm / 54cm: 38cm / 56cm: 38cm / 58cm: 38cm / 61cm: 38cm

Front thru axle
Cervélo Aero Thru Axle, front, M12x1.5 mm, 127 mm length

Rear thru axle
Cervélo Aero Thru Axle, rear, M12x1.5 mm, length 170.5 mm

Front wheel
Reserve 77TA, DT Swiss 240 hub, 12×100 mm, 24 holes, centerlock, tubeless compatible

Rear wheel
Reserve 88TA, DT Swiss 240 hub, 12×142 mm, HG freehub, 24 holes, centerlock, tubeless compatible

Hanger end control
Shimano Dura-Ace SW-R9160

Crank length
48cm: 160mm / 51cm: 165mm / 54cm: 165mm / 56cm: 170mm / 58cm: 170mm / 61cm: 172.5mm

Discs
Shimano CL800 Centerlock

Brake / Gear levers
Shimano Dura-Ace R9180

Power sensor
4iiii Precision Pro GEN3+, dual measurement