2021 Giant Defy Advanced Pro vs 2023 Specialized Allez Sport
The 58 is the Specialized Allez Sport size closest to your L 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 Specialized Allez Sport
Compared with the Giant Defy Advanced Pro in L, the Specialized Allez Sport in 58 places the top of the head tube 5 mm higher and 4 mm further back, relative to the bottom bracket.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter 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
We can't draw these frames yet. The Giant Defy Advanced Pro numbers we have for size L are missing the head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Giant Defy Advanced Pro L | Specialized Allez Sport 58 | Difference |
|---|---|---|---|
| Reach | 390 | 386 | −4 mm |
| Stack | 605 | 610 | +5 mm |
| Head tube angle | not listed | 73° | |
| Seat tube angle | not listed | 73.25° | |
| Chainstay length | not listed | 425mm | |
| Wheelbase | not listed | 1017mm | |
| BB drop | not listed | 74.5mm | |
| BB height | not listed | 275.5mm | |
| Standover | not listed | 821mm | |
| Seat tube length | not listed | 550mm | |
| Fork length | not listed | 378mm | |
| Head tube length | not listed | 195mm |
Differences are the Specialized Allez Sport minus the Giant Defy Advanced Pro. Full charts: 2021 Giant Defy Advanced Pro, 2023 Specialized Allez Sport.
Where each sits in its class
Giant Defy Advanced ProSpecialized Allez Sport
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 | Specialized Allez SportSport |
|---|---|---|
| Frame | Giant Defy | Specialized Allez E5 |
| Fork | Giant OverDrive 2 | Specialized FACT |
| Shifter | Shimano Ultegra | Shimano Tiagra |
| Derailleur | Shimano Ultegra | Shimano Tiagra |
| Cassette | Shimano cassette | not listed |
| Chain | KMC X11SL-1 | KMC X10 |
| Crankset | Shimano Ultegra Mid Compact | Praxis Alba |
| Wheelset | Giant SLR-2 42 | Specialized Axis Sport |
| Tire | Giant Gavia Fondo 1 | Specialized Roadsport |
| Brake | Shimano Ultegra | Shimano Tiagra |
| Handlebar | Giant D-Fuse SLR | Specialized Shallow Drop |
| Stem | Giant Contact SL | not listed |
| Seatpost | Giant D-Fuse SLR | not listed |
| Saddle | Giant Contact Fleet SL | Specialized Bridge Saddle |
| Chainring | not listed | Praxis Alba |
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