2025 Marin Gestalt vs 2026 Fairlight Faran Shimano RX825
The 51T is the Fairlight Faran Shimano RX825 size closest to your 50 Marin Gestalt. 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 Fairlight Faran Shimano RX825
Compared with the Marin Gestalt in 50, the Fairlight Faran Shimano RX825 in 51T places the top of the head tube 18 mm higher and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 15 mm longer, which can contribute to stability at speed.
- Frame stack
- +18 mm
- Higher front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- +15 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Marin Gestalt, 50Fairlight Faran Shimano RX825, 51TDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Marin Gestalt 50 | Fairlight Faran Shimano RX825 51T | Difference |
|---|---|---|---|
| Reach | 367 | 370 | +3 mm |
| Stack | 552 | 570 | +18 mm |
| Head tube angle | 71 | 71.5 | +0.5° |
| Seat tube angle | 74.5 | 74 | −0.5° |
| Effective top tube | 520 | not listed | |
| Chainstay length | 432 | 432 | ±0 mm |
| Wheelbase | 1008 | 1023 | +15 mm |
| BB drop | 78 | not listed | |
| Standover | 714 | not listed | |
| Seat tube length | 460 | not listed |
Differences are the Fairlight Faran Shimano RX825 minus the Marin Gestalt. Full charts: 2025 Marin Gestalt, 2026 Fairlight Faran Shimano RX825.
Where each sits in its class
Marin GestaltFairlight 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 Gestalt1 | Fairlight Faran Shimano RX825Shimano GRX Di2 RX825 2x |
|---|---|---|
| Frame | Marin Gestalt | Fairlight Faran 3.0 |
| Fork | Marin Full Carbon w/ Tapered Steerer, 12mm Thru-Axle | Fairlight Faran 3.0 Steel |
| Shifter | Shimano Sora | Shimano GRX RX825 Di2 |
| Derailleur | Shimano Sora | Shimano GRX RX825 Di2 |
| Cassette | SunRace 9-Speed, 11-32T | Shimano HG710/M7000 |
| Crankset | Shimano Sora R345 | Shimano FC-RX820-2 |
| Wheelset | Marin Aluminum double-wall rims, 21mm inner, 22mm tall | Hope RX24/Fortus 26 Pro5 |
| Tire | WTB Exposure Comp | Panaracer Gravel King X1 |
| Brake | Tektro MD-C550 | 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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