2021 Giant Defy Advanced Pro vs 2023 Trek Domane SLR Gen 4
The Trek Domane SLR Gen 4 size closest to your L is the 58. Compare the 58 instead
What changes on the Trek Domane SLR Gen 4
Compared with the Giant Defy Advanced Pro in L, the Trek Domane SLR Gen 4 in 52 places the top of the head tube 44 mm lower and 19 mm further back, relative to the bottom bracket.
- Frame stack
- −44 mm
- Lower front end
- Frame reach
- −19 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 | Trek Domane SLR Gen 4 52 | Difference |
|---|---|---|---|
| Reach | 390 | 371 | −19 mm |
| Stack | 605 | 561 | −44 mm |
| Head tube angle | not listed | 71.3° | |
| Effective top tube | not listed | 530 | |
| Chainstay length | not listed | 420 | |
| Wheelbase | not listed | 1003 | |
| BB drop | not listed | 80 | |
| Standover | not listed | 735 | |
| Seat tube length | not listed | 475 | |
| Head tube length | not listed | 145 |
Differences are the Trek Domane SLR Gen 4 minus the Giant Defy Advanced Pro. Full charts: 2021 Giant Defy Advanced Pro, 2023 Trek Domane SLR Gen 4.
Where each sits in its class
Giant Defy Advanced ProTrek Domane SLR Gen 4
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 | Trek Domane SLR Gen 4 |
|---|---|---|
| Frame | Giant Defy | not listed |
| Fork | Giant OverDrive 2 | not listed |
| Shifter | Shimano Ultegra | not listed |
| Derailleur | Shimano Ultegra | not listed |
| Cassette | Shimano cassette | not listed |
| Chain | KMC X11SL-1 | not listed |
| Crankset | Shimano Ultegra Mid Compact | not listed |
| Wheelset | Giant SLR-2 42 | not listed |
| Tire | Giant Gavia Fondo 1 | not listed |
| Brake | Shimano Ultegra | not listed |
| Handlebar | Giant D-Fuse SLR | not listed |
| Stem | Giant Contact SL | not listed |
| Seatpost | Giant D-Fuse SLR | not listed |
| Saddle | Giant Contact Fleet SL | not listed |
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
