2015 Trek Farley vs 2017 Specialized Fatboy Comp Carbon
The M is the Specialized Fatboy Comp Carbon size closest to your M Trek Farley. 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 Specialized Fatboy Comp Carbon
Compared with the Trek Farley in M, the Specialized Fatboy Comp Carbon in M places the top of the head tube 7 mm higher and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 23 mm longer, which can contribute to stability at speed.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- +9 mm
- Longer frame reach
- Wheelbase
- +23 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +15 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Farley numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Farley M | Specialized Fatboy Comp Carbon M | Difference |
|---|---|---|---|
| Reach | 411 | 420mm | +9 mm |
| Stack | 595 | 602mm | +7 mm |
| Head tube angle | 70.0° | 70.5° | +0.5° |
| Effective top tube | 593 | 604mm | +11 mm |
| Chainstay length | 440 | 455mm | +15 mm |
| Wheelbase | 1090 | 1113mm | +23 mm |
| BB drop | 55 | 60mm | +5 mm |
| BB height | 313 | 307mm | −6 mm |
| Standover | 782 | 752mm | −30 mm |
| Seat tube length | 419 | 434mm | +15 mm |
| Head tube length | 100 | 94mm | −6 mm |
| Seat tube angle | not listed | 73° | |
| Fork length | not listed | 496mm |
Differences are the Specialized Fatboy Comp Carbon minus the Trek Farley. Full charts: 2015 Trek Farley, 2017 Specialized Fatboy Comp Carbon.
Where each sits in its class
Trek FarleySpecialized Fatboy Comp Carbon
Each bike is ranked against the other fat 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 | Trek Farley6 | Specialized Fatboy Comp CarbonComp Carbon |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Shifter | Shimano Deore | SRAM X9 |
| Derailleur | SRAM X-5, Shimano Deore XT | SRAM X0 |
| Cassette | Shimano HG50 | not listed |
| Chain | KMC X10 | not listed |
| Tire | Bontrager Hodag | Specialized Ground Control Fat |
| Rim | Sun Ringlé Mulefüt | not listed |
| Brake | Avid DB 1 | Shimano Deore |
| Headset | FSA IS2 | not listed |
| Saddle | Bontrager Evoke 2 | Specialized Phenom Comp |
| Crankset | not listed | Race Face Turbine Cinch |
| Hub | not listed | Specialized Stout XC |
| Grips | not listed | Specialized Sip Grip |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
