2024 Specialized Diverge STR Comp vs 2025 Marin Gestalt Base
The 56 is the Marin Gestalt Base size closest to your 54 Specialized Diverge STR Comp. 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 Specialized Diverge STR Comp in 54, the Marin Gestalt Base in 56 places the top of the head tube 8 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Diverge STR Comp, 54Marin Gestalt Base, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge STR Comp 54 | Marin Gestalt Base 56 | Difference |
|---|---|---|---|
| Reach | 383mm | 387 | +4 mm |
| Stack | 593mm | 601 | +8 mm |
| Head tube angle | 71.25° | 71.5 | +0.3° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Chainstay length | 429mm | 432 | +3 mm |
| Wheelbase | 1034mm | 1040 | +6 mm |
| BB drop | 85mm | 78 | −7 mm |
| BB height | 265mm | not listed | |
| Standover | 753mm | 775 | +22 mm |
| Seat tube length | 470mm | 520 | +50 mm |
| Fork length | 390mm | not listed | |
| Head tube length | 115mm | not listed | |
| Effective top tube | not listed | 565 |
Differences are the Marin Gestalt Base minus the Specialized Diverge STR Comp. Full charts: 2024 Specialized Diverge STR Comp, 2025 Marin Gestalt Base.
Where each sits in its class
Specialized Diverge STR CompMarin 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 | Specialized Diverge STR CompSTR Comp | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Specialized Diverge FACT | Marin Gestalt |
| Fork | Specialized Future Shock 3.2 | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | Shimano GRX RX820 | Shimano Claris |
| Derailleur | Shimano GRX RX822-SGS | Shimano Claris |
| Cassette | Shimano XT | SunRace 8-Speed, 11-32T |
| Chain | Shimano XT M8100 | KMC Z8 |
| Crankset | Shimano GRX RX820 | FSA Tempo |
| Wheelset | DT Swiss G540 | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
| Tire | Specialized Tracer Pro 2BR | WTB Exposure Comp |
| Brake | Shimano GRX RX820 | Tektro MD-C400 |
| Handlebar | Specialized Hover | Marin Butted Alloy, Compact 16º Flared Drop |
| Stem | Specialized Future | not listed |
| Saddle | Specialized Power Sport | Marin Beyond Road Concept Elite |
| Bottom bracket | not listed | Sealed Bearing Square Taper |
| Seatpost | not listed | Marin Alloy, 27.2mm |
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