2026 Fairlight Faran Shimano RX825 vs 2025 Marin Gestalt Base
The 54 is the Marin Gestalt Base size closest to your 56R Fairlight Faran Shimano RX825. 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 Fairlight Faran Shimano RX825 in 56R, the Marin Gestalt Base in 54 places the top of the head tube 6 mm higher and 19 mm further back, relative to the bottom bracket. Its wheelbase is 23 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −19 mm
- Shorter frame reach
- Wheelbase
- −23 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Fairlight Faran Shimano RX825, 56RMarin Gestalt Base, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Fairlight Faran Shimano RX825 56R | Marin Gestalt Base 54 | Difference |
|---|---|---|---|
| Reach | 396 | 377 | −19 mm |
| Stack | 576 | 582 | +6 mm |
| Head tube angle | 72 | 71.5 | −0.5° |
| Seat tube angle | 73.5 | 73.5 | ±0.0° |
| Chainstay length | 432 | 432 | ±0 mm |
| Wheelbase | 1047 | 1024 | −23 mm |
| Effective top tube | not listed | 550 | |
| BB drop | not listed | 78 | |
| Standover | not listed | 755 | |
| Seat tube length | not listed | 500 |
Differences are the Marin Gestalt Base minus the Fairlight Faran Shimano RX825. Full charts: 2026 Fairlight Faran Shimano RX825, 2025 Marin Gestalt Base.
Where each sits in its class
Fairlight Faran Shimano RX825Marin 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 | Fairlight Faran Shimano RX825Shimano GRX Di2 RX825 2x | Marin Gestalt BaseBase |
|---|---|---|
| Frame | Fairlight Faran 3.0 | Marin Gestalt |
| Fork | Fairlight Faran 3.0 Steel | 6061 Aluminum, Straight-Blade, Post-Mount Disc |
| Shifter | Shimano GRX RX825 Di2 | Shimano Claris |
| Derailleur | Shimano GRX RX825 Di2 | Shimano Claris |
| Cassette | Shimano HG710/M7000 | SunRace 8-Speed, 11-32T |
| Crankset | Shimano FC-RX820-2 | FSA Tempo |
| Chainring | Shimano GRX RX820 | not listed |
| Wheelset | Hope RX24/Fortus 26 Pro5 | Marin Aluminum Double Wall, 21mm Inner, 22mm Tall |
| Tire | Panaracer Gravel King X1 | WTB Exposure Comp |
| Brake | Shimano GRX Di2 | Tektro MD-C400 |
| Rotor | Shimano RT-801 | not listed |
| Handlebar | FSA Adventure | Marin Butted Alloy, Compact 16º Flared Drop |
| Stem | Gossamer Energy | not listed |
| Headset | Hope Standard | not listed |
| Seatpost | SL-K | Marin Alloy, 27.2mm |
| Chain | not listed | KMC Z8 |
| Bottom bracket | not listed | Sealed Bearing Square Taper |
| Saddle | not listed | Marin Beyond Road Concept Elite |
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