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