2025 Giant Revolt vs 2025 Marin Gestalt Base
The 56 is the Marin Gestalt Base size closest to your ML Giant Revolt. 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 Marin Gestalt Base
Compared with the Giant Revolt in ML, the Marin Gestalt Base in 56 places the top of the head tube at about the same height and 4 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
Giant Revolt, MLMarin Gestalt Base, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Giant Revolt ML | Marin Gestalt Base 56 | Difference |
|---|---|---|---|
| Reach | 391 | 387 | −4 mm |
| Stack | 602 | 601 | −1 mm |
| Head tube angle | 72.0° | 71.5 | −0.5° |
| Seat tube angle | 73.0° | 73.5 | +0.5° |
| Chainstay length | 430 | 432 | +2 mm |
| Wheelbase | 1035 | 1040 | +5 mm |
| BB drop | 80 | 78 | −2 mm |
| Standover | 769 | 775 | +6 mm |
| Seat tube length | 490 | 520 | +30 mm |
| Head tube length | 165 | not listed | |
| Effective top tube | not listed | 565 |
Differences are the Marin Gestalt Base minus the Giant Revolt. Full charts: 2025 Giant Revolt, 2025 Marin Gestalt Base.
Where each sits in its class
Giant RevoltMarin Gestalt Base
Each bike is ranked against the other gravel 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 Revolt2 | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Giant ALUXX-grade | Marin Gestalt |
| Fork | Giant Advanced-Grade | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | Shimano Sora | Shimano Claris |
| Derailleur | Shimano Sora | Shimano Claris |
| Cassette | Shimano HG400 | SunRace 8-Speed, 11-32T |
| Chain | KMC X9 | KMC Z8 |
| Crankset | FSA Vero Pro | FSA Tempo |
| Tire | Giant Crosscut AT 2 | WTB Exposure Comp |
| Rim | Giant S-X2 | not listed |
| Brake | Tektro MD-C550, Shimano Sora | Tektro MD-C400 |
| Handlebar | Giant Contact XR Ergo-Control | Marin Butted Alloy, Compact 16º Flared Drop |
| Grips | Giant cork tape | not listed |
| Seatpost | Giant D-Fuse | Marin Alloy, 27.2mm |
| Saddle | Giant Approach | Marin Beyond Road Concept Elite |
| Bottom bracket | not listed | Sealed Bearing Square Taper |
| Wheelset | not listed | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
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