2018 Specialized Fatboy vs 2020 Trek Farley C Frameset
The XL is the Trek Farley C Frameset size closest to your XL Specialized Fatboy. 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 Trek Farley C Frameset
Compared with the Specialized Fatboy in XL, the Trek Farley C Frameset in XL places the top of the head tube 9 mm lower and 4 mm further back, relative to the bottom bracket.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Specialized Fatboy is drawn. The Trek Farley C Frameset numbers we have for size XL are missing the chainstay length and wheelbase.
Geometry side by side
| Measurement | Specialized Fatboy XL | Trek Farley C Frameset XL | Difference |
|---|---|---|---|
| Reach | 458mm | 454 | −4 mm |
| Stack | 628mm | 619 | −9 mm |
| Head tube angle | 70.5° | 69.0° | −1.5° |
| Seat tube angle | 73° | 73.0° | ±0.0° |
| Effective top tube | 650mm | 644 | −6 mm |
| Chainstay length | 455mm | not listed | |
| Wheelbase | 1159mm | not listed | |
| BB drop | 60mm | not listed | |
| BB height | 316mm | not listed | |
| Standover | 840mm | not listed | |
| Seat tube length | 533mm | 521 | −12 mm |
| Fork length | 467mm | not listed | |
| Head tube length | 150mm | 120 | −30 mm |
Differences are the Trek Farley C Frameset minus the Specialized Fatboy. Full charts: 2018 Specialized Fatboy, 2020 Trek Farley C Frameset.
Where each sits in its class
Specialized FatboyTrek Farley C Frameset
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 | Specialized FatboyFatboy | Trek Farley C FramesetFarley C Frameset |
|---|---|---|
| Shifter | SRAM NX | not listed |
| Derailleur | SRAM NX | not listed |
| Cassette | SRAM NX | not listed |
| Chain | KMC X-11 | not listed |
| Crankset | Race Face Aeffect | not listed |
| Tire | Specialized Ground Control Fat | not listed |
| Hub | Specialized Stout Pro 150 | not listed |
| Rim | Specialized Stout XC 80 | not listed |
| Brake | SRAM Level T | not listed |
| Handlebar | Specialized Stout | not listed |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Henge Comp | not listed |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Bontrager Haru Pro |
| Headset | not listed | FSA IS2 |
Know what is on every bike.
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