2020 Specialized Roubaix Sagan Collection vs 2021 Giant Defy Advanced Pro
The L is the Giant Defy Advanced Pro 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
Compared with the Specialized Roubaix Sagan Collection 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 Sagan Collection 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 Sagan Collection 54 | Giant Defy Advanced Pro L | Difference |
|---|---|---|---|
| Reach | 376mm | 390 | +14 mm |
| Stack | 585mm | 605 | +20 mm |
| Head tube angle | 72.75° | not listed | |
| Seat tube angle | 74° | not listed | |
| Chainstay length | 415mm | not listed | |
| Wheelbase | 988mm | not listed | |
| BB drop | 76mm | not listed | |
| BB height | 266mm | not listed | |
| Standover | 762mm | not listed | |
| Seat tube length | 465mm | not listed | |
| Fork length | 370mm | not listed | |
| Head tube length | 125mm | not listed |
Differences are the Giant Defy Advanced Pro minus the Specialized Roubaix Sagan Collection. Full charts: 2020 Specialized Roubaix Sagan Collection, 2021 Giant Defy Advanced Pro.
Where each sits in its class
Specialized Roubaix Sagan CollectionGiant 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 Roubaix Sagan CollectionS-Works Sagan Collection | Giant Defy Advanced ProAdvanced Pro 2 |
|---|---|---|
| Fork | Specialized Future Shock 2.0 | Giant OverDrive 2 |
| Shifter | Shimano Dura-Ace R9150 Di2 shift | Shimano Ultegra |
| Derailleur | Shimano Dura-Ace R9150 Di2 | Shimano Ultegra |
| Cassette | Shimano Dura-Ace R9100 | Shimano cassette |
| Chain | Shimano Dura-Ace | KMC X11SL-1 |
| Crankset | Shimano Dura-Ace R9100 | Shimano Ultegra Mid Compact |
| Wheelset | Roval CLX 50 | Giant SLR-2 42 |
| Tire | Specialized Turbo Cotton Hell | Giant Gavia Fondo 1 |
| Brake | Shimano Dura-Ace | Shimano Ultegra |
| Stem | Specialized S-Works Future | Giant Contact SL |
| Seatpost | Specialized S-Works Pave | Giant D-Fuse SLR |
| Saddle | Specialized S-Works Romin Evo | Giant Contact Fleet SL |
| Frame | not listed | Giant Defy |
| Handlebar | not listed | Giant D-Fuse SLR |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
