2025 Specialized Allez Sport vs 2023 Giant Defy Advanced
The S is the Giant Defy Advanced size closest to your 52 Specialized Allez Sport. 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 Giant Defy Advanced
Compared with the Specialized Allez Sport in 52, the Giant Defy Advanced in S places the top of the head tube 6 mm lower and 10 mm further forward, relative to the bottom bracket.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Allez Sport is drawn. The Giant Defy Advanced numbers we have for size S are missing the head angle, seat angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Specialized Allez Sport 52 | Giant Defy Advanced S | Difference |
|---|---|---|---|
| Reach | 364 | 374 | +10 mm |
| Stack | 552 | 546 | −6 mm |
| Head tube angle | 71 | not listed | |
| Seat tube angle | 73.25 | not listed | |
| Effective top tube | 530 | not listed | |
| Chainstay length | 425 | not listed | |
| Wheelbase | 995 | not listed | |
| BB drop | 77 | not listed | |
| BB height | 273 | not listed | |
| Standover | 761 | not listed | |
| Seat tube length | 490 | not listed | |
| Fork length | 378 | not listed | |
| Head tube length | 140 | not listed |
Differences are the Giant Defy Advanced minus the Specialized Allez Sport. Full charts: 2025 Specialized Allez Sport, 2023 Giant Defy Advanced.
Where each sits in its class
Specialized Allez SportGiant Defy Advanced
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 | Specialized Allez SportSport | Giant Defy AdvancedAdvanced 1 |
|---|---|---|
| Frame | Specialized E5 Premium | Giant Defy |
| Fork | Specialized FACT | Giant OverDrive |
| Shifter | Shimano Tiagra | Shimano 105 Di2 |
| Derailleur | Shimano Tiagra | Shimano 105 Di2 |
| Cassette | Shimano Tiagra | Shimano 105 |
| Chain | KMC X-10 | KMC X-12 |
| Crankset | Praxis Alba | Shimano FC-RS520 |
| Chainring | Shimano Tiagra, Shimano Claris R200 | Shimano RS520 |
| Wheelset | Specialized Axis Sport | Giant P-R2 Disc |
| Tire | Specialized Roadsport | Giant Gavia Fondo 1 |
| Brake | Shimano Tiagra | Shimano 105 Di2 |
| Handlebar | Specialized Shallow Drop | Giant Contact SL D-Fuse |
| Saddle | Specialized Bridge Saddle | Giant Approach |
| Bottom bracket | not listed | Shimano press fit |
| Rotor | not listed | Tektro rotor |
| Stem | not listed | Giant Contact |
| Grips | not listed | Giant Stratus Lite 3.0 |
| Seatpost | not listed | Giant D-Fuse |
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