2026 Specialized Diverge Sport Alloy vs 2025 Marin Gestalt Base
The 58 is the Marin Gestalt Base size closest to your 56 Specialized Diverge Sport Alloy. 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 Sport Alloy in 56, the Marin Gestalt Base in 58 places the top of the head tube 10 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Diverge Sport Alloy, 56Marin Gestalt Base, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge Sport Alloy 56 | Marin Gestalt Base 58 | Difference |
|---|---|---|---|
| Reach | 400 | 402 | +2 mm |
| Stack | 610 | 620 | +10 mm |
| Head tube angle | 71 | 71.5 | +0.5° |
| Seat tube angle | 74 | 73.5 | −0.5° |
| Effective top tube | 575 | 585 | +10 mm |
| Chainstay length | 430 | 432 | +2 mm |
| Wheelbase | 1060 | 1060 | ±0 mm |
| BB drop | 85 | 78 | −7 mm |
| Standover | not listed | 794 | |
| Seat tube length | not listed | 540 |
Differences are the Marin Gestalt Base minus the Specialized Diverge Sport Alloy. Full charts: 2026 Specialized Diverge Sport Alloy, 2025 Marin Gestalt Base.
Where each sits in its class
Specialized Diverge Sport AlloyMarin 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 Sport Alloy4 Sport Alloy | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Specialized Diverge E5 Premium | Marin Gestalt |
| Fork | Specialized Future Shock 3.1 | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | Shimano CUES U6030 | Shimano Claris |
| Derailleur | Shimano CUES U6000 | Shimano Claris |
| Cassette | Shimano CS-LG400-11 | SunRace 8-Speed, 11-32T |
| Chain | Shimano CN-LG500 | KMC Z8 |
| Crankset | Shimano CUES U6040 | FSA Tempo |
| Chainring | Shimano CUES U6030 | not listed |
| Bottom bracket | Shimano CUES | Sealed Bearing Square Taper |
| Wheelset | Specialized Axis Elite Disc | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
| Tire | Specialized Tracer | WTB Exposure Comp |
| Brake | Shimano CUES | Tektro MD-C400 |
| Handlebar | Specialized Adventure Gear Hover | Marin Butted Alloy, Compact 16º Flared Drop |
| Stem | Specialized Future Pro | not listed |
| Grips | Supacaz Suave | not listed |
| Seatpost | Specialized Alloy | Marin Alloy, 27.2mm |
| Saddle | Specialized Body Geometry Power Sport | Marin Beyond Road Concept Elite |
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