2021 Specialized Roubaix Sagan Collection vs 2022 Giant Defy Advanced Pro AX
The ML is the Giant Defy Advanced Pro AX size closest to your 54 Specialized Roubaix Sagan Collection. 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 Sagan Collection 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 Sagan Collection, 54Giant Defy Advanced Pro AX, MLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix Sagan Collection 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 Sagan Collection. Full charts: 2021 Specialized Roubaix Sagan Collection, 2022 Giant Defy Advanced Pro AX.
Where each sits in its class
Specialized Roubaix Sagan CollectionGiant 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 Sagan CollectionS-Works Sagan Collection | Giant Defy Advanced Pro AXAdvanced Pro 2 AX |
|---|---|---|
| Fork | Specialized Future Shock 2.0 | Giant OverDrive 2 |
| Shifter | Shimano Dura-Ace Di2 | SRAM Rival |
| Derailleur | Shimano Dura-Ace R9150 Di2, Shimano Dura-Ace R9100 | SRAM Rival AXS |
| Cassette | Shimano Dura-Ace R9100 | SRAM Rival |
| Chain | Shimano Dura-Ace | SRAM Rival D1 |
| Crankset | Shimano Dura-Ace R9100 | SRAM Rival D1 Wide |
| Wheelset | Roval Rapide CLX | Giant SLR 2 36 Carbon Disc |
| Tire | Specialized Turbo Cotton | Giant Gavia Fondo 1 |
| Brake | Shimano Dura-Ace | SRAM Rival AXS E1 |
| Stem | Specialized S-Works Future | Giant Contact SL |
| Seatpost | Specialized S-Works Pave | Giant D-Fuse SL |
| Saddle | Specialized S-Works Romin Evo | Giant Fleet SL |
| Frame | not listed | Giant Defy |
| Bottom bracket | not listed | SRAM DUB GX |
| Rotor | not listed | SRAM Paceline |
| Handlebar | not listed | Giant Contact SL |
| Grips | not listed | Lite 3.0 |
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