2024 Giant Defy Advanced Pro vs 2026 Cervélo Caledonia
The 51 is the Cervélo Caledonia size closest to your S 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 S, the Cervélo Caledonia in 51 places the top of the head tube 11 mm lower and 6 mm further back, relative to the bottom bracket.
- Frame stack
- −11 mm
- Lower front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Giant Defy Advanced Pro numbers we have for size S are missing the wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Giant Defy Advanced Pro S | Cervélo Caledonia 51 | Difference |
|---|---|---|---|
| Reach | 375 | 369 | −6 mm |
| Stack | 541 | 530 | −11 mm |
| Head tube angle | 71.8 | 71.5 | −0.3° |
| Seat tube angle | 74.0 | 74 | ±0.0° |
| Chainstay length | 420 | 415 | −5 mm |
| Wheelbase | not listed | 984.5 | |
| Head tube length | 135 | 109.9 | −25 mm |
| Effective top tube | not listed | 522 | |
| BB drop | not listed | 76.5 | |
| Standover | not listed | 741 |
Differences are the Cervélo Caledonia minus the Giant Defy Advanced Pro. Full charts: 2024 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 2 | Cervélo Caledonia105 |
|---|---|---|
| Frame | Giant Defy | Cervélo Caledonia |
| Fork | Giant OverDrive Aero | not listed |
| Shifter | Shimano 105 Di2 | Shimano 105 Di2 |
| Derailleur | Shimano 105 Di2 | Shimano 105 Di2 |
| Cassette | Shimano 105 | Shimano 105 |
| Chain | KMC X12L-1 | Shimano SLX M7100 |
| Crankset | Shimano 105 | Shimano 105 |
| Chainring | Shimano 105 | Shimano 52, Shimano 36 |
| Wheelset | Giant SLR 2 36 | Vision Team i23 |
| Tire | Giant Gavia Fondo 1 | Vittoria Corsa N.Ext Tubeless-Ready |
| Brake | Shimano 105 Di2 | Shimano 105 Di2 |
| Rotor | Shimano SM-RT70 | Shimano SM-RT66 |
| Handlebar | Giant Contact SL | Cervélo HB23 |
| Stem | Giant Contact SL | Cervélo ST36 |
| Grips | Lite 3.0 | not listed |
| Seatpost | Giant D-Fuse SL | not listed |
| Saddle | Giant Fleet SL | not listed |
| Headset | not listed | FSA IS2 |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
