CerveloP5
Origin
The P5 is Cervelo's no-compromise triathlon/TT flagship — the bike that has won multiple Ironman world titles and pushed the brand's reputation in long-course racing. After five years without major change, the 2025 generation was unveiled with a wholesale redesign: the new fastback seatstay shape reduces vertical stiffness by roughly 22% while keeping lateral stiffness for power transfer, the proprietary aerobar pads gained meaningful fore-aft adjustment and a much-wider fit window, and tyre clearance jumped to 34 mm. Engineered around a lowered basebar that drops CdA significantly, the new P5 also tunes the bike-plus-wheel system together — with Reserve's 77/88 wheelset and 29 mm Vittoria Corsa tyres Cervelo claims an extra 5 watts of system-level savings.
Specifications
- Frame
- All-carbon aero monocoque with fastback seatstays (vertical stiffness reduced ~22% vs prior gen), BBright bottom bracket, clearance for up to 34 mm tyres, integrated SmartPak 400 / Aerobottle 500 storage
- Weight
- kg
- Drivetrain
- 12-speed electronic, 5 complete builds: SRAM Red AXS 1 (50T/10-33T), Shimano Dura-Ace Di2 (54/40T, 11-34T), SRAM Force AXS (50/37T, 10-33T), Shimano Ultegra Di2 (52/36T, 11-30T); SRAM Red/Force builds include Quarq Zero crank powermeter
- Brakes
- Hydraulic disc (Shimano on Di2 builds, e.g. 160 mm IceTech rotors front/rear; SRAM on AXS builds). Front brake fairing/cover criticised as cheap-feeling
- Wheels
- Reserve 77|88TA carbon aero wheelset; DT Swiss 180 hubs (Red AXS 1 / Dura-Ace Di2) or DT Swiss 240 hubs (Force AXS / Ultegra Di2)
The verdict
- Exceptional aerodynamics — frame ~1 W faster than prior gen, ~5 W total system saving with Reserve 77|88 wheels and 29 mm Vittoria tyres
- Outstanding lateral stiffness through BBright BB and frame — no side-to-side flex when climbing or sprinting, all power goes forward
- Fastback seatstays cut vertical stiffness ~22%, noticeably smoothing the ride so riders reach T2 fresher
- Greatly improved fit window: stack adjustable to 40 mm, extension tilt 0-30°, wider/thicker pads with more fore-aft range — fits far more body types
- Best-in-class cornering and confident handling for an aero TT bike, plus 34 mm tyre clearance for lower rolling resistance
- Front brake fairing/covers feel cheap and ill-fitting; many riders end up replacing them
- Fully integrated one-piece front end limits mix-and-match cockpit customisation — proprietary parts are the price of admission
- UCI-legal frame constraints leave little room for frame-level aero gains (~1 W) — most improvement comes from wheels/tyres, not the frame
- Very expensive — complete builds run roughly €/$ 10k-15k, frameset alone ~$6,500
- Hydraulic disc setup and integrated cockpit make servicing and travel/packing more fiddly than simpler TT bikes
Who it’s for
Where to buy Cervelo P5 in Lithuania
Local shops and marketplaces in your country.
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Want one?
Find this bike on the marketplace, or compare notes with riders already on one.