2025 Marin Gestalt Base vs 2025 Giant Revolt
The XS is the Giant Revolt size closest to your 50 Marin Gestalt Base. 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 Revolt
Compared with the Marin Gestalt Base in 50, the Giant Revolt in XS places the top of the head tube 4 mm higher and 14 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- +14 mm
- Longer frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
Marin Gestalt Base, 50Giant Revolt, XSDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Marin Gestalt Base 50 | Giant Revolt XS | Difference |
|---|---|---|---|
| Reach | 367 | 381 | +14 mm |
| Stack | 552 | 556 | +4 mm |
| Head tube angle | 71 | 70.0° | −1.0° |
| Seat tube angle | 74.5 | 74.0° | −0.5° |
| Effective top tube | 520 | not listed | |
| Chainstay length | 432 | 430 | −2 mm |
| Wheelbase | 1008 | 1029 | +21 mm |
| BB drop | 78 | 80 | +2 mm |
| Standover | 714 | 717 | +3 mm |
| Seat tube length | 460 | 430 | −30 mm |
| Head tube length | not listed | 125 |
Differences are the Giant Revolt minus the Marin Gestalt Base. Full charts: 2025 Marin Gestalt Base, 2025 Giant Revolt.
Where each sits in its class
Marin Gestalt BaseGiant Revolt
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 | Marin Gestalt BaseBase | Giant Revolt2 |
|---|---|---|
| Frame | Marin Gestalt | Giant ALUXX-grade |
| Fork | 6061 Aluminum, Straight-Blade, Post-Mount Disc | Giant Advanced-Grade |
| Shifter | Shimano Claris | Shimano Sora |
| Derailleur | Shimano Claris | Shimano Sora |
| Cassette | SunRace 8-Speed, 11-32T | Shimano HG400 |
| Chain | KMC Z8 | KMC X9 |
| Crankset | FSA Tempo | FSA Vero Pro |
| Bottom bracket | Sealed Bearing Square Taper | not listed |
| Wheelset | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall | not listed |
| Tire | WTB Exposure Comp | Giant Crosscut AT 2 |
| Brake | Tektro MD-C400 | Tektro MD-C550, Shimano Sora |
| Handlebar | Marin Butted Alloy, Compact 16º Flared Drop | Giant Contact XR Ergo-Control |
| Seatpost | Marin Alloy, 27.2mm | Giant D-Fuse |
| Saddle | Marin Beyond Road Concept Elite | Giant Approach |
| Rim | not listed | Giant S-X2 |
| Grips | not listed | Giant cork tape |
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