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Cervélo P-Series vs Dolan TR1
Pick up to 4 bikes. Rows line up component by component. Highlighted rows differ, and green marks the best value where lower or higher is clearly better.
Key differences
- The Dolan TR1 starts £900 cheaper (£3,600 vs £4,500 for the Cervélo P-Series).
- Our verdict scores the Cervélo P-Series higher overall: 80/100 vs 70/100.
- Only the Dolan TR1 has integrated hydration.
- The Cervélo P-Series comes in 6 sizes, the Dolan TR1 in 4.
Cervélo P-Series
Dolan TR1
| CervéloP-Series | DolanTR1 | |
|---|---|---|
| Overview | ||
| Brand | Cervélo | Dolan |
| Build | P-Series Force AXS 1 | TR1 Shimano 105 R7170 Di2 |
| Build notes | Single-chainring (1x) build. | Configurable build; listed price is the default spec with Mavic Ksyrium 30 Disc wheels. Frames listed in Purple/Silver, Black/White matt or raw carbon (sizes S and XL only in October 2026), or custom colours. |
| Price (MSRP) | €7,999$8,900£7,500 | £3,600£3,600£3,600 |
| Bike weight | 8.75 kg19.3 lb | — |
| Model year | 2027 | 2026 |
| Generation | 2024 version | — |
| Launched | 2024 | — |
| Discipline | Triathlon | Triathlon |
| UCI legal | Yes | Not stated |
| Verdict (out of 100) | ||
| Overall score | 80 | 70 |
| Aero | 78 | 64 |
| Frame | — | 62 |
| Components | 78 | 62 |
| Hydration & storage | 72 | 78 |
| Fit | 82 | 62 |
| Practicality | 85 | 70 |
| Price | 85 | 92 |
| Frame & fork | ||
| Frame material | Carbon | Carbon (Toray T800) |
| Fork material | Carbon (tapered P fork, D-shaped steerer) | Carbon |
| Frame sizes | 48, 51, 54, 56, 58, 61 | S, M, L, XL (only S and XL offered in October 2026) |
| Colours | Abyss, Haleakala; Chainsmoke on the Ultegra Di2 Classified (varies by build and region) | Purple/Silver, Black/White (matt), raw carbon; custom colours at extra cost |
| Also available as | P5 (flagship model with integrated one-piece front end) | — |
| UCI frame approval | Listed as 'P-SERIES' (frame and fork), approved 17 Jan 2024, sizes XS-L (5), code CERVELO-156 (UCI list version 2026.10.02); an earlier P-Series entry dates from 22 Mar 2019 | — |
| Compatibility & standards | ||
| Brake type | Hydraulic disc | — |
| Wheel size | 700c | 700c |
| Bottom bracket standard | BBright | Press-fit (Shimano BB72 fitted to builds) |
| Front axle | 12x100 thru-axle | 12 mm thru-axle |
| Rear axle | 12x142 thru-axle | 12 mm thru-axle |
| Drivetrain compatibility | Mechanical and electronic (base build uses Shimano 105 mechanical) | Electronic (Shimano Di2 and Campagnolo EPS compatible) |
| Mechanical shifting possible | Yes | — |
| 1x compatible | Yes | — |
| Cable routing | — | Fully internal |
| Hydration & storage | ||
| Integrated hydration | No | Yes |
| Hydration details | No built-in hydration. The downtube storage hatch sits under the bottle bosses, and Triathlete found it prevents fitting the previous P-Series or P5 aero downtube bottle, so a standard round bottle is needed there. A rear hydration mount is included. | TR1 Hydration Tank plus a Profile Design aero bottle and cage (volumes not stated) |
| Integrated storage | Yes | Yes |
| Storage details | Downtube 'trap door' compartment sized for a tube, small multi-tool and CO2, removable with or without a bottle fitted; two in-frame storage rolls included; Smartpak 400 top-tube bento box included. | TR1 Top Box for food and a Rear Tool Box |
| Top tube bento box | Yes | Yes |
| Behind-saddle mount | Cervélo rear hydration mount (included) | — |
| Fit & adjustability | ||
| Aerobar system | Standard round stem interface on a D-shaped steerer; complete bikes use Profile Design Wing cockpits | Alpina carbon TT base bar with TR1 integrated stem and Alpina pads; AeroCoach Angles extensions with Align Wing armrests optional |
| Third-party aerobars possible | Yes | — |
| Pad stack adjustment range | Maximum stack increased to 53 mm, with spacers supplied | — |
| Seatpost type | Cervélo SP23 carbon aero seatpost | TR1 adjustable multi-position carbon seatpost |
| Effective seat angle range | 75-79° | — |
| Fit notes | Six sizes. Cervélo's online calculator returns the stack spacing and pad hole setting needed for a target arm-pad stack/reach and saddle height. | — |
| Aerodynamics | ||
| Manufacturer aero claims | Frame drag is claimed to be 5.9 g lower than the previous P-Series. With Reserve 52/63 wheels and 29 mm Vittoria tyres, Cervélo claims 30 g (3.5 W) less drag than the Reserve 50 with 28 mm tyres. | — |
| Travel, maintenance & warranty | ||
| Maintenance | Triathlete praised the standard stem interface as easy to work on and to pack for travel, with no proprietary front-end clamps. | — |
| Frame warranty | Limited lifetime warranty on the frame for the original owner (frames bought from 1 Sept 2025, excluding paint and decals); forks, carbon bars, stems and seatposts also lifetime | Lifetime warranty on Dolan frames and forks bought after 1 January 2024 |
| Sold via | Through Cervélo retailers | Direct from Dolan (online and showroom) |
| Drivetrain | ||
| Groupset | SRAM Force AXS E1 | Shimano 105 Di2 R7100 |
| Launched | 2025 · current generation | 2022 · current generation |
| Speeds | 12-speed | 12-speed |
| Electronic | Yes | Yes |
| Wireless | Yes | No |
| Drivetrain | 1x | 2x12 |
| Shifters | SRAM AXS Blip controllers (bar-end and satellite) | Shimano SW-R9160 Di2 remote triathlon shifter |
| Crankset | SRAM Force 1x AXS E1 Power Meter | Shimano 105 R7100 |
| Chainrings | 48 Aero | 50/34 or 52/36 |
| Crank length | 160 (48-51) / 165 (54-56) / 170 (58) / 172.5 (61) | — |
| Crank lengths available | — | 165-175 mm |
| Power meter | SRAM Force AXS E1 Power Meter | — |
| Launched | 2025 · current generation | — |
| Type | Integrated in crankset | — |
| Bottom bracket | SRAM DUB | Shimano BB72 Press Fit |
| Standard | BBright | Press-fit (Shimano BB72) |
| Front derailleur | — | Shimano 105 Di2 R7150 |
| Rear derailleur | SRAM Force AXS E1 | Shimano 105 Di2 R7150 |
| Cassette | SRAM Force XG-1270 E1 | Shimano 105 R7100 |
| Range | 10-36 | 11-34 or 11-36 |
| Speeds | 12-speed | 12-speed |
| Chain | SRAM Force E1 | Shimano CN-M6100 |
| Brakes | ||
| Brake levers | — | Triva TT hydraulic brake levers |
| Notes | — | Upgrade to Shimano Dura-Ace Di2 Tri/TT levers with BR-R9270 calipers for +£399.98 |
| Brake calipers | SRAM Force Aero | Flat-mount hydraulic disc calipers |
| Type | Hydraulic disc | Hydraulic disc |
| Rotors | SRAM Paceline X | Shimano SM-RT70 |
| Front rotor | — | 160 mm |
| Rear rotor | — | 140 mm |
| Mount | Center Lock | Center Lock |
| Wheels & tires | ||
| Wheelset | Reserve 57TA (front) / 64TA (rear) | Mavic Ksyrium 30 Disc |
| Front rim depth | 57 mm | — |
| Rear rim depth | 64 mm | — |
| Rear disc wheel | No | — |
| Material | Carbon | — |
| Tubeless ready | Yes | — |
| Hubs | DT Swiss 350 | — |
| Spokes | 24H | — |
| Tires | Vittoria Corsa N.EXT TLR G2.0 | Vittoria Zaffiro Pro V |
| Tire width | 29 mm | 25 mm |
| Widths available | — | 25 or 28 mm |
| Cockpit | ||
| Aerobar system | Profile Design Wing Evo 52ASA cockpit assembly | — |
| Integrated with frame | No | — |
| Basebar | Profile Design Wing Evo | Alpina Carbon TT Handlebars |
| Basebar width | 380 mm | — |
| Material | — | Carbon |
| Arm pads / cups | — | Alpina Pads/armrests |
| Stem | Profile Design A3A Low Riser Kit (5/10/20 mm) | Dolan TR1 Integrated TT Stem |
| Headset | Profile Design WING bearing cap for P-Series | Alpina 1-1/8" |
| Saddle & seatpost | ||
| Saddle | Fizik Transiro Aeris LD R3 | Selle Italia Watt SF Triathlon TM |
| Seatpost | Cervélo SP23 | Dolan TR1 Adjustable Carbon Seatpost |
| Material | Carbon | Carbon |
| Included extras | ||
| Hydration system | — | Dolan TR1 Hydration Tank |
| Storage / bento | Cervélo In-frame storage rolls (inner tube + flat kit) and Smartpak 400 top-tube bag | Dolan TR1 Top Box and Rear Tool Box |
| Notes | Smartpak 400 listed in the 105 Di2 build spec; the P-Series page says every P-Series ships with it | — |
| Bottle cages | Profile Design Axis Ultimate Carbon cage + Cervélo rear hydration mount | Profile Design Aero bottle and cage |
| Geometry (smallest – largest size) | ||
| Sizes | 48, 51, 54, 56, 58, 61 | S, M, L, XL |
| Rider height min | — | 160–190 cm5–6′3″ |
| Rider height max | — | 170–201 cm5–6′7″ |
| Stack | 494–587 mm19.4–23.1″ | 499–569 mm19.6–22.4″ |
| Reach | 378–443 mm14.9–17.4″ | 365–429 mm14.4–16.9″ |
| Seat angle min | 75° | — |
| Seat angle max | 79° | — |
| Head tube angle | 71–72.5° | 70.3–72.5° |
| Head tube length | 87.8–177.2 mm3.5–7″ | 100–165 mm3.9–6.5″ |
| Effective top tube | — | 480–560 mm18.9–22″ |
| Seat tube length | — | 505–577 mm19.9–22.7″ |
| Chainstay | 405 mm15.9″ | 395 mm15.6″ |
| Wheelbase | 973–1,045 mm38.3–41.1″ | 954–1,021 mm37.6–40.2″ |
| BB drop | 80 mm3.1″ | — |
| Fork offset | 43–52 mm1.7–2″ | — |
| Trail | 62.1 mm2.4″ | — |
| Front centre | 581–653 mm22.9–25.7″ | 570–636 mm22.4–25″ |
| Standover | 734–823 mm28.9–32.4″ | — |
| Wheel size | 700c | 700c |
| Crank length | 160–172.5 mm6.3–6.8″ | 170–175 mm6.7–6.9″ |
| Basebar width | 380 mm15″ | — |
Geometry overlay
Pick a size for each bike to see frames and arm-pad ranges on top of each other.
Drawn to scale (how to read it).