Cervelo Caledonia-5 Dura-Ace Di2 Bike
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Cervelo Caledonia-5 Dura-Ace Di2 Bike
Cervelo Caledonia-5 Dura-Ace Di2 Bike Info
There's a category of ride where raw race geometry isn't enough and a softened endurance bike isn't enough either. Where you need something that can sustain race-level effort across hours of varied terrain, absorb the physical cost of long days, and still feel like it wants to go faster. Cervélo calls these Big, Stupid Rides. The Caledonia-5 was built for them.
The Cervelo Caledonia-5 Dura-Ace Di2 Bike brings Shimano's flagship 12-speed electronic drivetrain to that platform at $12,500. The Dura-Ace Di2 R9250 groupset, a 4iiii Precision Pro Gen3+ dual-sided power meter in the crankset, and the Reserve 42/49 carbon wheelset on DT Swiss 240 hubs make this a complete, high-spec build for riders in the Shimano ecosystem who want the Caledonia-5 experience.
The frame is the same story it's always been on the Caledonia-5, and it's a good one. Cervélo dropped the seat stays — borrowing directly from the Aspero gravel platform — to make the rear triangle more acute and more vertically compliant. The result is a frame that takes the edge off rough chip-seal and deteriorating pavement over the kind of hours that compound into real fatigue. To balance that compliance, Cervélo stiffened the downtube, keeping the race-level power transfer that distinguishes a Cervélo from a bike that's merely comfortable. In-frame storage borrowed from the P-Series TT bikes fits a tube, small multi-tool, and CO2 canister behind a hatch that opens with gloves on. Fender mounts come standard. Tire clearance runs to 36mm. Fully internal cable routing and aero-shaped tubes do the aerodynamic work without requiring any extra effort from the rider — free speed, compounding across every long mile.
Design Benefits
- Dropped seat stays — rear compliance for the long haul. The lowered stay junction makes the rear triangle more acute and vertically flexible, a design choice lifted directly from the Aspero gravel platform. Over long days on rough surfaces, it meaningfully reduces the fatigue that accumulates in your hands, arms, and lower back — without sacrificing the lateral stiffness that keeps power transfer efficient.
- Shimano Dura-Ace Di2 — precise, proven electronic shifting. The R9250 rear derailleur and R9270 lever/caliper system is Shimano's top-tier offering: wired electronic shifting with a long track record of reliability across professional racing and hard training. The 52/36 chainrings paired with an 11-34 cassette gives you classic road gearing with enough range for serious climbing without sacrificing top-end speed on flat terrain.
- 4iiii Precision Pro Gen3+ dual-sided power meter, factory integrated. Full left/right power measurement from a meter that's built into the crank rather than bolted on afterward. Dual-sided data captures pedaling imbalance and gives you the complete power picture for training and racing. It's included in the build — not an upgrade.
- Reserve 42/49 carbon wheels on DT Swiss 240 hubs. The 42mm front and 49mm rear depth pairing keeps aerodynamic efficiency high while managing crosswind behavior — the shallower front stays predictable in varied conditions. DT Swiss 240 hubs use the star ratchet engagement system with a 36-tooth ratchet and are among the most reliable hub platforms in road cycling, with a strong serviceability record.
- CeramicSpeed SL bottom bracket + Vittoria Corsa Pro Control tires. The CeramicSpeed unit reduces drivetrain friction at the BBright interface — every watt counts over long distances. The Vittoria Corsa Pro Control TLR G2.0 in 700x30 is a race tire with a control compound: optimized for grip in variable conditions, tubeless-ready, and wide enough to smooth out surfaces that a pure aero road tire would struggle with.
Final Take
The Caledonia-5 Dura-Ace Di2 is built for riders who want the Caledonia-5 platform with Shimano's electronic ecosystem. The Dura-Ace Di2 drivetrain is precise and weatherproof, the dual-sided power meter is already in the crank, and the Reserve 42/49 wheelset is a genuine high-performance choice. The frame's combination of compliance features and race-oriented stiffness makes it one of the more honest endurance road bikes available — fast enough to race, comfortable enough to ride all day, and specified well enough to leave little on the table at $12,500.
Cervelo Caledonia-5 Dura-Ace Di2 Bike - Specifications
*Specifications are subject to change.
Cervelo Caledonia-5 Dura-Ace Di2 Bike Geometry
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