2026 Specialized Diverge 4 Pro LTD vs 2025 Marin Gestalt Base
The 56 is the Marin Gestalt Base size closest to your 54 Specialized Diverge 4 Pro LTD. 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 4 Pro LTD in 54, the Marin Gestalt Base in 56 places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Diverge 4 Pro LTD, 54Marin Gestalt Base, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Diverge 4 Pro LTD 54 | Marin Gestalt Base 56 | Difference |
|---|---|---|---|
| Reach | 387mm | 387 | ±0 mm |
| Stack | 592mm | 601 | +9 mm |
| Head tube angle | 71° | 71.5 | +0.5° |
| Seat tube angle | 74° | 73.5 | −0.5° |
| Effective top tube | 556mm | 565 | +9 mm |
| Chainstay length | 430mm | 432 | +2 mm |
| Wheelbase | 1041mm | 1040 | −1 mm |
| BB drop | 85mm | 78 | −7 mm |
| Standover | 754mm | 775 | +21 mm |
| Seat tube length | 470mm | 520 | +50 mm |
| Fork length | 391mm | not listed | |
| Head tube length | 116mm | not listed |
Differences are the Marin Gestalt Base minus the Specialized Diverge 4 Pro LTD. Full charts: 2026 Specialized Diverge 4 Pro LTD, 2025 Marin Gestalt Base.
Where each sits in its class
Specialized Diverge 4 Pro LTDMarin 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 4 Pro LTDPro LTD | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Specialized Diverge FACT | Marin Gestalt |
| Fork | Specialized Future Shock 3.3 | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | SRAM RED AXS E1 | Shimano Claris |
| Derailleur | SRAM Red AXS XPLR E1 | Shimano Claris |
| Cassette | SRAM RED XPLR E1 | SunRace 8-Speed, 11-32T |
| Chain | SRAM Red E1 | KMC Z8 |
| Crankset | SRAM RED AXS | FSA Tempo |
| Bottom bracket | SRAM DUB | Sealed Bearing Square Taper |
| Wheelset | Roval Terra CLX II | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
| Tire | Specialized Tracer TLR All Terrain Gravel | WTB Exposure Comp |
| Brake | SRAM Red AXS, SRAM Red E1 | Tektro MD-C400 |
| Handlebar | Roval Terra | Marin Butted Alloy, Compact 16º Flared Drop |
| Stem | Roval Alpinist | not listed |
| Bar tape | Supacaz Super Sticky Kush | not listed |
| Seatpost | Roval Terra | Marin Alloy, 27.2mm |
| Saddle | Specialized S-Works Power | Marin Beyond Road Concept Elite |
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