2024 Giant Defy Advanced SL vs 2026 Cervélo Caledonia
The 51 is the Cervélo Caledonia size closest to your S Giant Defy Advanced SL. 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 SL 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. Its wheelbase is 9 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −11 mm
- Lower front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Giant Defy Advanced SL, SCervélo Caledonia, 51Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Giant Defy Advanced SL 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 | 994 | 984.5 | −10 mm |
| BB drop | 75 | 76.5 | +2 mm |
| Standover | 733 | 741 | +8 mm |
| Seat tube length | 445 | not listed | |
| Head tube length | 135 | 109.9 | −25 mm |
| Effective top tube | not listed | 522 |
Differences are the Cervélo Caledonia minus the Giant Defy Advanced SL. Full charts: 2024 Giant Defy Advanced SL, 2026 Cervélo Caledonia.
Where each sits in its class
Giant Defy Advanced SLCervélo 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 SLAdvanced SL | Cervélo Caledonia105 |
|---|---|---|
| Frame | Giant Advanced SL-grade | Cervélo Caledonia |
| Seatpost | Giant SLR D-Fuse | not listed |
| Shifter | not listed | Shimano 105 Di2 |
| Derailleur | not listed | Shimano 105 Di2 |
| Cassette | not listed | Shimano 105 |
| Chain | not listed | Shimano SLX M7100 |
| Crankset | not listed | Shimano 105 |
| Chainring | not listed | Shimano 52, Shimano 36 |
| Wheelset | not listed | Vision Team i23 |
| Tire | not listed | Vittoria Corsa N.Ext Tubeless-Ready |
| Brake | not listed | Shimano 105 Di2 |
| Rotor | not listed | Shimano SM-RT66 |
| Handlebar | not listed | Cervélo HB23 |
| Stem | not listed | Cervélo ST36 |
| Headset | not listed | FSA IS2 |
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