2026 Specialized Diverge Comp Alloy vs 2025 Marin Gestalt Base
The Marin Gestalt Base size closest to your 54 is the 56. Compare the 56 instead
What changes on the Marin Gestalt Base
Compared with the Specialized Diverge Comp Alloy in 54, the Marin Gestalt Base in 58 places the top of the head tube 28 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 19 mm longer, which can contribute to stability at speed.
- Frame stack
- +28 mm
- Higher front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +19 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Diverge Comp Alloy, 54Marin Gestalt Base, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge Comp Alloy 54 | Marin Gestalt Base 58 | Difference |
|---|---|---|---|
| Reach | 387 | 402 | +15 mm |
| Stack | 592 | 620 | +28 mm |
| Head tube angle | 71 | 71.5 | +0.5° |
| Seat tube angle | 74 | 73.5 | −0.5° |
| Chainstay length | 430 | 432 | +2 mm |
| Wheelbase | 1041 | 1060 | +19 mm |
| BB drop | 85 | 78 | −7 mm |
| Standover | 754 | 794 | +40 mm |
| Seat tube length | 470 | 540 | +70 mm |
| Head tube length | 116 | not listed | |
| Effective top tube | not listed | 585 |
Differences are the Marin Gestalt Base minus the Specialized Diverge Comp Alloy. Full charts: 2026 Specialized Diverge Comp Alloy, 2025 Marin Gestalt Base.
Where each sits in its class
Specialized Diverge Comp 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 Comp Alloy4 Comp Alloy | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Specialized Diverge | Marin Gestalt |
| Fork | Specialized Future Shock 3.1 | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | SRAM Apex | Shimano Claris |
| Derailleur | SRAM Eagle Apex | Shimano Claris |
| Cassette | SRAM SX Eagle | SunRace 8-Speed, 11-32T |
| Chain | SRAM NX Eagle | KMC Z8 |
| Crankset | SRAM Apex | FSA Tempo |
| Bottom bracket | SRAM DUB | Sealed Bearing Square Taper |
| Wheelset | DT Swiss G540 | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
| Tire | Specialized Tracer | WTB Exposure Comp |
| Brake | SRAM Apex, SRAM Apex AXS | Tektro MD-C400 |
| Handlebar | Specialized Hover | Marin Butted Alloy, Compact 16º Flared Drop |
| Stem | Specialized Future | not listed |
| Grips | Supacaz Suave | not listed |
| Seatpost | Specialized Alloy | Marin Alloy, 27.2mm |
| Saddle | Specialized Power Sport | Marin Beyond Road Concept Elite |
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