Cervélo Caledonia-5 Dura Ace Di2 Disc or, “The bike for your big, stupid rides.” as the manufacturer claims. During its presentation, the Caledonia-5 caused quite a stir and is an undeniable representative of a new generation of road bikes. Will that let it overcome the rest of the test field? We found out for you.

For an overview of the test fleet head to the group test: The best road bike of 2021 – 15 models in review

Cervélo Caledonia-5 Dura Ace Di2 Disc | 7.42 kg in size 56 | € 10,999 | Manufacturer’s website

The Cervélo Caledonia-5 Dura Ace Di2 Disc caused quite a stir amongst our test crew. After all, on paper at least, the bike appears to combine opposite ends of the road bike genre. The Cervélo bike portfolio is arranged into four segments: the S-series for aero road bikes, the R-series for superlight all-round bikes, the Aspero line (read review here) for gravel bikes and the C-series for endurance bikes. The Caledonia is claimed to combine the best of all of them and is positioned right in the middle of the portfolio. The Caledonia-5 is the premium option with internally routed cables and a proprietary cockpit combining the 420 mm wide Cervélo AB09 carbon bars with a 100 mm Cervélo ST31 carbon stem. The basic Caledonia model has externally routed cables, a traditional cockpit and a standard 27.2 mm seatpost instead of the D-shaped carbon post on the Caledonia-5. Sadly, the bosses for a top tube bag are only featured on the base model, even though they would be a sensible option for the top-end one too. A clever feature shared by both versions is the easily removable mudguard mounts. Cervélo use a special bridge between the seat stays and frame inserts, the latter of which are fitted neatly near the thru-axle.

In case the weather changes
The frame inserts by the thru-axle can be swapped out with special fender mounts to fit mudguards, along with a bridge between the seat stays. If you don’t need mudguards, no trace of the mounts has to remain. Clever!
Shift forward if you want
The proprietary Cervélo SP18 carbon D-shaped seatpost is available with 0 or 25 mm offset. Short upper bodies are catered for.
Dual functionality
The opening in the down tube provides a secure place for the Shimano Di2 junction box. For Caledonia models without a fully-integrated cockpit, it is used to route cables instead.

Cervélo Caledonia-5 Dura Ace Di2 Disc 2021

€ 10,999


Seatpost Cervélo SP18 Carbon D-Post individual mm
Brakes Shimano DURA-ACE BR-R9170 160/160 mm
Drivetrain Shimano DURA-ACE Di2 R9150 2 x 11
Chainring 52/36
Stem Cervélo ST31 Carbon 100 mm
Handlebar Cervélo AB09 Carbon 420 mm
Wheelset ENVE SES 3.4 AR Disc 12 x 100/12 x 142 mm Thru-Axle
Tires Vittoria Corsa Control Graphene 2.0 TL 28-622 (700x28C) 30
Cranks Shimano DURA-ACE FC-R9100 172,5 mm
Cassette Shimano DURA-ACE CS-R9100 11–30

Technical Data

Size 48 51 54 56 58 61
Weight 7.42 kg

Specific Features

fully-integrated cables and integrated GPS including a GoPro mount
mounts for mudguards can be easily removed
headset top cap comes in 7 and 22 mm heights to adjust stack
dual-sided 4iiii power meter

Make some noise
The frame’s voluminous bottom bracket doesn’t just hold the high-end CeramicSpeed bearings but also amplifies riding noise. Rolling up unnoticed from behind is impossible.
The Caledonia-5 doesn’t just offer the option of two headset caps with 7 and 22 mm heights. It also comes with numerous thin spacers to find the optimal setting for the stack height in very fine steps.
Belief is good. Knowledge is better
The dual-sided 4iiii power meter is more than just a tool for pros and training. Even leisure riders can benefit from controlling their watts on long rides because this lets you ensure that you’ll stay in your comfort zone and can reach your destination.

Our test bike, as the name might suggest, comes with a complete Shimano DURA-ACE Di2 groupset and ENVE SES 3.4 AR Disc wheels. At 30 mm, 700 x 28C Vittoria Corsa Control Graphene 2.0 TL tires measure significantly wider than the specs would have you believe. However, they’re not capable of filling out the impressive 34 mm tire clearances of the Caledonia-5 and never result in any toe overlap. We like that! Unlike many other manufacturers, Cervélo trust in their € 10,999 series build completely, not upgrading or changing a single component for this test. The bike weighs in at 7.42 kg in size 56.

Size 48 51 54 56 58 61
Top tube 502 mm 522 mm 543 mm 565 mm 581 mm 598 mm
Head tube 90 mm 110 mm 136 mm 162 mm 191 mm 218 mm
Head angle 70.5° 71.5° 72.0° 72.0° 72.0° 72.0°
Seat angle 74.5° 74.0° 73.5° 73.0° 73.0° 73.0°
Chainstays 415 mm 415 mm 415 mm 415 mm 415 mm 415 mm
BB Drop 77 mm 77 mm 74 mm 74 mm 72 mm 72 mm
Wheelbase 982 mm 985 mm 995 mm 1,012 mm 1,030 mm 1,048 mm
Reach 360 mm 369 mm 378 mm 387 mm 396 mm 405 mm
Stack 505 mm 530 mm 555 mm 580 mm 605 mm 630 mm
Helmet Giro Synthe MIPS | Glasses POC Aspire | Jersey Xacus Tailor Fit Shirt
Pants Pas Normal Studios Mechanism Bib | Shoes Specialized S-Works Vent | Socks VOID Socks 16

The Cervélo Caledonia-5 Dura Ace Di2 Disc in review

The Cervélo accelerates directly and willingly, though both the S-Works Aethos and Wilier Filante are perceptibly more light-footed when pedalling from a standstill or uphill. The scales tip in the Caledonia-5’s favour in situations where maximum efficiency is required. During high-speed orgies on the flats, it can make the most of its aerodynamic features, maintaining a high-speed and drawing attention as it thunders by. Some might actually find the bike’s rolling rumble a touch loud.

The Caledonia-5 is definitively part of the vanguard of a new generation of road bikes and misses the test win by just millimetres. A very impressive second place!

Overall, the handling is very calm, requiring comparatively assertive steering input. It’s particularly at high speeds that it needs active input to persuade its stoic straight-line stability into cornering. During fast direction changes and in hectic situations, precision or directness can’t quite keep up with the competition from Specialized, largely due to the comparatively upright position aboard the Cervélo. On the other hand, this contributes to the overall high level of comfort of the bike but does represent a compromise in sporty and dynamic situations.

If you want more load over the front wheel for more direct handling, you can swap between headset top caps with a height of either 7 or 22 mm to adjust the stack height – that provides a sensible range of adjustment. The vibration damping of the Cervélo is excellent! Here, the Vittoria tires, carbon frameset and D-shaped Cervélo SP18 carbon seatpost gel perfectly, without becoming vague or undefined. The cockpit might transmit a touch more high-frequency vibration but by no means is there an imbalance in comfort. The high comfort and stability ensure a solid foundation of trust even on uneven terrain. Solely in terms of sprightliness and precision is the Caledonia-5 missing that last bit to clinch the win, meaning it comes out of the test with a silver medal.

Tuning tip: If the loud ride disturbs you, take out the bottom bracket and put some foam inside the tubes to reduce the size of the resonant body to try and damp the noise.

Riding Characteristics



  1. cumbersome
  2. playful


  1. nervous
  2. confident


  1. demanding
  2. balanced

Fun factor

  1. boring
  2. lively


  1. firm
  2. comfortable

Value for money

  1. terrible
  2. very good

Technical Data

Caledonia-5 Dura Ace Di2 Disc

Size: 48 51 54 56 58 61
Weight: 7,42
Price: € 10,999

Indended Use

Smooth tarmac 1
Allroad/Gravel 2
Everyday/Commuting 3


The Cervélo Caledonia-5 Dura Ace Di2 Disc impressed our testers with its high level of comfort, excellent efficiency on the flats and great performance across the board and on all surfaces. If you can accept a little less sprightliness and precision in the handling, you’ll find a very good bike here. In the group test, it has to concede defeat to only one competitor and, as such, unequivocally belongs to the vanguard of the new road bike generation. Congratulations!


  • decidedly high level of comfort
  • high efficiency on the flats
  • comprehensive and high-end spec
  • cleverly solved cable integration
  • no toe overlap


  • limited sprightliness and precision in sporty situations
  • comparatively loud ride

For more information head to cervelo.com

The test field

For an overview of the test fleet head to the group test: The best road bike of 2021 – 15 models in review

All bikes in test: BMC Roadmachine 01 ONE (Click for review) | Cannondale SuperSix EVO Hi-MOD Disc Ultegra (Click for review) | Canyon Grail CF SLX 8 eTap (Click for review) | Cervélo Caledonia-5 Dura Ace Di2 Disc | Mason Resolution Ekar (Click for review) | MERIDA REACTO TEAM-E CUSTOM (Click for review) | MERIDA SCULTURA ENDURANCE CUSTOM (Click for review) | OPEN MIN.D. (Click for review) | Orbea Gain M20i (Click for review) | ROSE REVEAL FOUR DISC Ultegra Di2 (Click for review) | SCOTT Addict eRIDE Premium (Click for review) | Specialized S-Works Aethos (Click for review) | Storck Fascenario.3 Comp Disc Ultegra (Click for review) | Trek Domane+ LT 9 (Click for review) | Wilier Filante SLR (Click for review)

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Words: Photos: Valentin Rühl