2020 Specialized Roubaix Pro vs 2022 Giant Defy Advanced Pro AX
The ML is the Giant Defy Advanced Pro AX size closest to your 54 Specialized Roubaix 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 Giant Defy Advanced Pro AX
Compared with the Specialized Roubaix Pro in 54, the Giant Defy Advanced Pro AX in ML places the top of the head tube at about the same height and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 22 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +22 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Roubaix Pro, 54Giant Defy Advanced Pro AX, MLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix Pro 54 | Giant Defy Advanced Pro AX ML | Difference |
|---|---|---|---|
| Reach | 376mm | 381 | +5 mm |
| Stack | 585mm | 586 | +1 mm |
| Head tube angle | 72.75° | 72.5 | −0.3° |
| Seat tube angle | 74° | 73.0 | −1.0° |
| Chainstay length | 415mm | 420 | +5 mm |
| Wheelbase | 988mm | 1010 | +22 mm |
| BB drop | 76mm | 70 | −6 mm |
| BB height | 266mm | not listed | |
| Standover | 762mm | 816 | +54 mm |
| Seat tube length | 465mm | 515 | +50 mm |
| Fork length | 370mm | not listed | |
| Head tube length | 125mm | 185 | +60 mm |
| Effective top tube | not listed | 560 |
Differences are the Giant Defy Advanced Pro AX minus the Specialized Roubaix Pro. Full charts: 2020 Specialized Roubaix Pro, 2022 Giant Defy Advanced Pro AX.
Where each sits in its class
Specialized Roubaix ProGiant Defy Advanced Pro AX
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 Roubaix ProPro | Giant Defy Advanced Pro AXAdvanced Pro 2 AX |
|---|---|---|
| Fork | Specialized Future Shock 2.0 | Giant OverDrive 2 |
| Shifter | SRAM Force eTap AXS | SRAM Rival |
| Derailleur | SRAM Force eTAP AXS | SRAM Rival AXS |
| Cassette | SRAM XG-1270 | SRAM Rival |
| Chain | SRAM Force | SRAM Rival D1 |
| Crankset | SRAM FC Force DUB | SRAM Rival D1 Wide |
| Bottom bracket | SRAM DUB | SRAM DUB GX |
| Wheelset | Roval CL 32 | Giant SLR 2 36 Carbon Disc |
| Tire | Specialized Turbo Pro | Giant Gavia Fondo 1 |
| Brake | SRAM Force eTAP | SRAM Rival AXS E1 |
| Stem | Specialized Future | Giant Contact SL |
| Seatpost | Specialized S-Works Pave | Giant D-Fuse SL |
| Saddle | Specialized Power | Giant Fleet SL |
| Frame | not listed | Giant Defy |
| Rotor | not listed | SRAM Paceline |
| Handlebar | not listed | Giant Contact SL |
| Grips | not listed | Lite 3.0 |
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