2022 Specialized Allez vs 2024 Giant Defy Advanced SL
The M is the Giant Defy Advanced SL size closest to your 52 Specialized Allez. 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 SL
Compared with the Specialized Allez in 52, the Giant Defy Advanced SL in M places the top of the head tube 6 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 15 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +15 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez, 52Giant Defy Advanced SL, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez 52 | Giant Defy Advanced SL M | Difference |
|---|---|---|---|
| Reach | 376mm | 380 | +4 mm |
| Stack | 552mm | 558 | +6 mm |
| Head tube angle | 73° | 72.5° | −0.5° |
| Seat tube angle | 73.25° | 73.5° | +0.3° |
| Chainstay length | 420mm | 420 | ±0 mm |
| Wheelbase | 983mm | 998 | +15 mm |
| Standover | 745mm | 762 | +17 mm |
| Seat tube length | 490mm | 480 | −10 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 140mm | 150 | +10 mm |
| BB drop | not listed | 75 |
Differences are the Giant Defy Advanced SL minus the Specialized Allez. Full charts: 2022 Specialized Allez, 2024 Giant Defy Advanced SL.
Where each sits in its class
Specialized AllezGiant Defy Advanced SL
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 AllezAllez - Shimano Claris | Giant Defy Advanced SLAdvanced SL |
|---|---|---|
| Shifter | Shimano Claris R2000 | not listed |
| Derailleur | Shimano Claris | not listed |
| Chain | KMC X8 | not listed |
| Crankset | Shimano Claris R200 | not listed |
| Bottom bracket | Shimano BB-UN26. | not listed |
| Wheelset | Specialized Axis Sport | not listed |
| Tire | Specialized Roadsport | not listed |
| Saddle | Specialized Bridge Saddle | not listed |
| Frame | not listed | Giant Advanced SL-grade |
| Seatpost | not listed | Giant SLR D-Fuse |
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