In this comparison, I’ll dissect two popular bike models; the Trek Domane vs Cervelo Caledonia.
I’ll compare their lineups, bike specifications, and suggested retail prices in USD, then discuss the carbon fiber technology (Trek OCLV and ) and frameset technologies.
The goal is to give you a better understanding of Trek Domane and Cervelo Caledonia to help in your decision-making.
|Trek Domane||Cervelo Caledonia|
|Type of bike||Endurance||Endurance|
|Frame material||OCLV 800 carbon|
OCLV 500 carbon
|Frame sizes||47, 50, 52, 54, 56, 58, 60, 62||44, 48, 51, 54, 56, 58, 61|
|Groupset||Shimano, SRAM (12-speed)||Shimano, SRAM (12-speed)|
|Brakes||Hydraulic disc||Hydraulic disc|
|Cabling||Internal||Internal (Caledonia 5)|
|Price (USD)||$4,699 to $13,199||$4,700 to $11,500|
The Trek Domane is designed as an all-day endurance bike.
It can also be referred to as all-road as its wider tire clearance of up to 38c can tackle hard-packed gravel and cobblestones like those in the Paris-Roubaix race. Trek built the Isospeed dampening system in the front and rear to achieve this.
There are carbon and aluminum versions of the Domane. The SLR uses the higher grade, OCLV 800 carbon compared to the SL on the standard, OCLV 500 carbon.
The Trek Domane SL and SLR frames are also available separately for those after a custom-built bike.
|Model||Frame material||Groupset||Wheelset||Retail price (USD)|
|Trek Domane SLR 9 AXS||OCLV 800 carbon||SRAM Red eTap AXS||Bontrager Aeolus RSL 37||$13,199|
|Trek Domane SLR 9||OCLV 800 carbon||Shimano Dura-Ace Di2 (R9200)||Bontrager Aeolus RSL 37||$12,749|
|Trek Domane SLR 7 AXS||OCLV 800 carbon||SRAM Force eTap AXS||Bontrager Aeolus Pro 37||$9,699|
|Trek Domane SLR 7||OCLV 800 carbon||Shimano Ultegra Di2 (R8100)||Bontrager Aeolus Pro 37||$8,549|
|Trek Domane SLR 6 AXS||OCLV 800 carbon||SRAM Rival eTap AXS||Bontrager Aeolus Pro 37||$8,399|
|Trek Domane SLR 6||OCLV 800 carbon||Shimano 105 Di2 (R7100)||Bontrager Aeolus Pro 37||$7,999|
|Trek Domane SL 7 AXS||OCLV 500 carbon||SRAM Force eTap AXS||Bontrager Aeolus Pro 37||$7,499|
|Trek Domane SL 7||OCLV 500 carbon||Shimano Ultegra Di2 (R8100)||Bontrager Aeolus Pro 37||$6,829|
|Trek Domane SL 6 AXS||OCLV 500 carbon||SRAM Rival eTap AXS||Bontrager Paradigm Comp 25||$5,299|
|Trek Domane SL 6||OCLV 500 carbon||Shimano 105 Di2 (R7100)||Bontrager Paradigm Comp 25||$4,699|
The Cervélo Caledonia is an endurance bike for comfort and long-distance riding over tarmac, backroads, and smooth, hardpacked gravels.
Compared to the Cervélo R5 and S5, the Cervélo Caledonia has a much more relaxed geometry with a higher stack and shorter reach. This puts the rider in a more upright position for comfort rather than aero. Cervélo Caledonia 5 and Caledonia share the same carbon fiber and frame geometry and can take tires up to 34mm wide.
The major difference between the Cervélo Caledonia 5 and Caledonia is in aerodynamics.
- Cervélo Caledonia 5 has a better aerodynamics profile with a slimmer head tube, cleaner front end with internal cable routing, and a D-shaped seatpost.
- Cervélo Caledonia has a more traditional look with a rounder head tube with external cabling and round (27.2mm) seatpost.
Here are all the available Cervélo Caledonia 5 and Caledonia models and builds.
|Model||Frame material||Groupset||Wheelset||Retail price (USD)|
|Cervelo Caledonia 5||Carbon||Shimano Dura-Ace Di2 (R9200)||Reserve 40/44||$11,500|
|Cervelo Caledonia 5||Carbon||SRAM Red eTap AXS||Reserve 40/44||$11,500|
|Cervelo Caledonia 5||Carbon||Shimano Ultegra Di2 (R8100)||Reserve 40/44||$8,500|
|Cervelo Caledonia 5||Carbon||SRAM Force eTap AXS||Reserve 40/44||$8,500|
|Cervelo Caledonia 5||Carbon||SRAM Rival eTap AXS||Fulcrum Racing 600 DB||$6,000|
|Cervelo Caledonia||Carbon||Shimano Ultegra Di2 (R8100)||Fulcrum Racing 900 DB||$5,500|
|Cervelo Caledonia||Carbon||SRAM Rival eTap AXS||Fulcrum Racing 900 DB||$4,700|
|Cervelo Caledonia||Carbon||Shimano Ultegra (R8000)||DT Swiss E1850||$3,600|
Trek vs Cervelo carbon fiber
Trek OCLV carbon
The OCLV (Optimum Compaction, Low Void) carbon is a proprietary carbon fiber manufacturing technology developed by Trek.
- Optimum Compaction refers to the heat and pressure applied during the curing process to squeeze out excess resin and ensure that the carbon layers are compacted to the optimal density.
- Low Void refers to the goal of reducing microscopic air pockets or voids that can occur in the carbon fiber and create weaknesses.
One of the key advantages of OCLV carbon is its ability to achieve an optimal balance between stiffness, strength, and weight. Trek engineers carefully tune the carbon layup and utilize varying modulus carbon fibers to create stiff frames in certain areas to maximize power transfer while maintaining compliance in other areas to enhance comfort and ride quality.
The OCLV carbon is available in 800 and 500 series.
- OCLV 800 is the highest-grade carbon fiber used by Trek. The carbon modulus is higher in OCLV 800, making it stiffer and lighter. The manufacturing process is more refined, using more advanced carbon and resins, leading to a bike frame that provides top performance levels for stiffness, weight, and strength. OCLV 800 is used in all models with SLR.
- OCLV 500 is a lower-grade carbon but still offers a high level of performance. It has a slightly lower carbon modulus, meaning it’s a bit less stiff and heavier than OCLV 800. OCLV 800 is used in all models with SL.
It’s worth noting that the different OCLV grades don’t only refer to the material itself, but also to the manufacturing techniques used to form the carbon fiber into bike frames. Higher-grade carbon requires more precise manufacturing techniques to take full advantage of its superior material properties.
Cervelo doesn’t publicly release information about the types of carbon fiber used on their road bikes.
From my observation of the current Cervelo bikes lineups, there are at least two carbon fiber grades used.
- Highest grade. Cervelo R5 and S5 could be using the highest carbon fiber grade of all the models. These are pure race bikes used by the pros and would likely have the best carbon fiber available at Cervelo.
- Mid-grade. Cervelo Caledonia and Soloist could be using a mid-level carbon and heavier fiber grade of all the models. These are endurance bikes that prioritize comfort over stiffness. So it’s not a surprise to see a lower-grade carbon fiber being used here.
Frameset technologies and innovations
Trek Domane and Cervelo Caledonia framesets incorporate advanced technologies to enhance their bikes’ performance and ride characteristics.
Here’s an overview of the technologies used in each bike model.
|OCLV Carbon||Optimum Compaction, Low Void (OCLV). A carbon fiber technology used in Trek frames. Employs advanced layup techniques and precise carbon compaction to create lightweight, strong frames with a balanced blend of stiffness and compliance.|
Available in two grades; OCLV 800 and 500. A higher number indicates a higher grade carbon.
|H1.5 geometry||Trek’s geometry design that strikes a balance between aggressive racing positioning (H1) and rider comfort (H2). |
H1.5 geometry provides a slightly more relaxed riding position than the racier H1 geometry, making it suitable for a wider range of riders.
|IsoSpeed Technology||An innovative solution for improving rider comfort on rough surfaces. The IsoSpeed decoupler allows the seat tube to flex independently from the rest of the frame, increasing vertical compliance and smoothing road vibrations.|
|Project One||Trek’s customization program that allows riders to create personalized and unique bikes. |
With Project One, riders can customize various aspects of their bikes, including frame color, paint scheme, components, drivetrain, wheels, and other details.
|Aero Cable Management||The Aero Cable Management feature on the Cervélo Caledonia 5 enhances the bike’s aerodynamics without compromising usability or performance. The frame, fork, ST31 (carbon) or ST32 (alloy) stem, and AB09 handlebars are meticulously designed to conceal brake hoses and shifter cables from the wind. |
The Cervélo Caledonia doesn’t have the Aero Cable Management and has external cable routing.
|Performance Fit||The beauty of the Cervélo Caledonia 5 lies in Cervélo’s Performance Fit. The stem and two bearing caps allow a choice between a more aggressive 7mm or relaxed 22mm stack without needing any spacers.|
|34mm tire clearance||The 34mm tire clearance makes the Cervélo Caledonia a versatile endurance bike, especially in fitting wider tires for rougher terrains.|
|Integrated mounts||The 34mm tire clearance increases Caledonia’s versatility, especially in fitting wider tires for rougher terrains.|
Alex Lee is the founder and editor-at-large of Mr. Mamil. Coming from a professional engineering background, he breaks down technical cycling nuances into an easy-to-understand and digestible format here.
He has been riding road bikes actively for the past 12 years and started racing competitively in the senior category during the summer recently.