2020 Specialized Roubaix vs 2021 Giant Defy Advanced Pro
The L is the Giant Defy Advanced Pro size closest to your 54 Specialized Roubaix. 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
Compared with the Specialized Roubaix in 54, the Giant Defy Advanced Pro in L places the top of the head tube 20 mm higher and 14 mm further forward, relative to the bottom bracket.
- Frame stack
- +20 mm
- Higher front end
- Frame reach
- +14 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 Roubaix is drawn. The Giant Defy Advanced Pro numbers we have for size L are missing the head angle, seat angle, chainstay length and wheelbase.
Geometry side by side
| Measurement | Specialized Roubaix 54 | Giant Defy Advanced Pro L | Difference |
|---|---|---|---|
| Reach | 376 | 390 | +14 mm |
| Stack | 585 | 605 | +20 mm |
| Head tube angle | 72.75 | not listed | |
| Seat tube angle | 74 | not listed | |
| Chainstay length | 415mm | not listed | |
| Wheelbase | 988 | not listed | |
| BB drop | 76 | not listed | |
| BB height | 266 | not listed | |
| Standover | 762 | not listed | |
| Seat tube length | 465 | not listed | |
| Fork length | 370 | not listed | |
| Head tube length | 125 | not listed |
Differences are the Giant Defy Advanced Pro minus the Specialized Roubaix. Full charts: 2020 Specialized Roubaix, 2021 Giant Defy Advanced Pro.
Where each sits in its class
Specialized RoubaixGiant Defy Advanced Pro
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 RoubaixRoubaix | Giant Defy Advanced ProAdvanced Pro 2 |
|---|---|---|
| Frame | Specialized FACT 10R | Giant Defy |
| Fork | Specialized Future Shock 1.5 | Giant OverDrive 2 |
| Shifter | Shimano Tiagra | Shimano Ultegra |
| Derailleur | Shimano Tiagra | Shimano Ultegra |
| Cassette | Shimano Tiagra | Shimano cassette |
| Chain | KMC X10 | KMC X11SL-1 |
| Crankset | Praxis Alba | Shimano Ultegra Mid Compact |
| Chainring | Praxis Alba | not listed |
| Wheelset | Specialized Axis Sport | Giant SLR-2 42 |
| Tire | Specialized Espoir Sport | Giant Gavia Fondo 1 |
| Brake | Shimano Tiagra | Shimano Ultegra |
| Handlebar | Specialized Hover | Giant D-Fuse SLR |
| Stem | Specialized 3D-forged | Giant Contact SL |
| Seatpost | Specialized S-Works Pave | Giant D-Fuse SLR |
| Saddle | Specialized Power Sport | Giant Contact Fleet SL |
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