2025 Giant Defy Advanced Pro vs 2026 Cervélo Caledonia
The 54 is the Cervélo Caledonia size closest to your M Giant Defy Advanced Pro. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Cervélo Caledonia
Compared with the Giant Defy Advanced Pro in M, the Cervélo Caledonia in 54 places the top of the head tube 3 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −3 mm
- About the same
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Giant Defy Advanced Pro, MCervélo Caledonia, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Giant Defy Advanced Pro M | Cervélo Caledonia 54 | Difference |
|---|---|---|---|
| Reach | 380 | 378 | −2 mm |
| Stack | 558 | 555 | −3 mm |
| Head tube angle | 72.5 | 72 | −0.5° |
| Seat tube angle | 73.5 | 73.5 | ±0.0° |
| Chainstay length | 420 | 415 | −5 mm |
| Wheelbase | 998 | 995.2 | −3 mm |
| BB drop | 75 | 74 | −1 mm |
| Standover | 762 | 773 | +11 mm |
| Seat tube length | 480 | not listed | |
| Head tube length | 150 | 136 | −14 mm |
| Effective top tube | not listed | 543 |
Differences are the Cervélo Caledonia minus the Giant Defy Advanced Pro. Full charts: 2025 Giant Defy Advanced Pro, 2026 Cervélo Caledonia.
Where each sits in its class
Giant Defy Advanced ProCervélo Caledonia
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Giant Defy Advanced ProAdvanced Pro 0 | Cervélo Caledonia105 |
|---|---|---|
| Frame | Giant Defy | Cervélo Caledonia |
| Fork | Giant Advanced SL Composite OverDrive Aero | not listed |
| Shifter | Shimano Ultegra R8170 | Shimano 105 Di2 |
| Derailleur | Shimano Ultegra R8150 Di2 | Shimano 105 Di2 |
| Cassette | Shimano Ultegra | Shimano 105 |
| Chain | Shimano Ultegra DI2 | Shimano SLX M7100 |
| Crankset | Shimano Ultegra Mid Compact | Shimano 105 |
| Bottom bracket | Shimano press fit | not listed |
| Wheelset | Giant SLR 1 36 | Vision Team i23 |
| Tire | Cadex Classics | Vittoria Corsa N.Ext Tubeless-Ready |
| Brake | Shimano Ultegra Di2 hydraulic disc | Shimano 105 Di2 |
| Rotor | Shimano RT-CL800 | Shimano SM-RT66 |
| Handlebar | Giant Contact SLR D-Fuse | Cervélo HB23 |
| Stem | Giant Contact SL AeroLight | Cervélo ST36 |
| Grips | Lite 3.0 | not listed |
| Seatpost | Giant D-Fuse SLR | not listed |
| Saddle | Giant Fleet SL | not listed |
| Chainring | not listed | Shimano 52, Shimano 36 |
| Headset | not listed | FSA IS2 |
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