2026 Giant Defy Advanced vs 2026 Cervélo Caledonia
The 54 is the Cervélo Caledonia size closest to your M Giant Defy Advanced. 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 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, MCervélo Caledonia, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Giant Defy Advanced 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. Full charts: 2026 Giant Defy Advanced, 2026 Cervélo Caledonia.
Where each sits in its class
Giant Defy AdvancedCervélo 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 AdvancedAdvanced 2 | Cervélo Caledonia105 |
|---|---|---|
| Frame | Giant Defy | Cervélo Caledonia |
| Fork | Giant Advanced-Grade Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc | 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 |
| Bottom bracket | Shimano press fit | not listed |
| Wheelset | Giant P-R1 Disc | Vision Team i23 |
| Tire | Giant Gavia Fondo 1 | Vittoria Corsa N.Ext Tubeless-Ready |
| Brake | Shimano 105 Di2 | Shimano 105 Di2 |
| Rotor | Shimano SM-RT64 | Shimano SM-RT66 |
| Handlebar | Giant Contact SL D-Fuse | Cervélo HB23 |
| Stem | Giant Contact AeroLight | Cervélo ST36 |
| Grips | Lite 3.0 | not listed |
| Seatpost | Giant D-Fuse | not listed |
| Saddle | Giant Approach | not listed |
| Chainring | not listed | Shimano 52, Shimano 36 |
| Headset | not listed | FSA IS2 |
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