2021 Trek Farley vs 2020 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 at about the same height and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- −6 mm
- Shorter: quicker to change direction
- Head angle
- +1.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Trek Farley, MSpecialized Fatboy Comp Carbon, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Farley M | Specialized Fatboy Comp Carbon M | Difference |
|---|---|---|---|
| Reach | 410 | 420mm | +10 mm |
| Stack | 601 | 602mm | +1 mm |
| Head tube angle | 69.0° | 70.5° | +1.5° |
| Seat tube angle | 73.0° | 73° | ±0.0° |
| Effective top tube | 594 | not listed | |
| Chainstay length | 455 | 455mm | ±0 mm |
| Wheelbase | 1119 | 1113mm | −6 mm |
| BB drop | 67 | 60mm | −7 mm |
| BB height | 313 | 312mm | −1 mm |
| Standover | 739 | 752mm | +13 mm |
| Seat tube length | 419 | 434mm | +15 mm |
| Head tube length | 100 | 94mm | −6 mm |
| Fork length | not listed | 496mm |
Differences are the Specialized Fatboy Comp Carbon minus the Trek Farley. Full charts: 2021 Trek Farley, 2020 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 Farley5 | Specialized Fatboy Comp CarbonComp Carbon |
|---|---|---|
| Frame | Trek Alpha Platinum | Specialized FACT 10m |
| Fork | Bontrager Haru | Specialized FACT carbon monocoque |
| Shifter | Shimano Deore M4100 | SRAM GX Eagle |
| Derailleur | Shimano Deore M5120 | SRAM GX Eagle |
| Cassette | Shimano Deore M4100 | SRAM GX Eagle |
| Chain | KMC X10 | SRAM GX Eagle |
| Pedals | VP 536 | Specialized Dirt |
| Tire | Bontrager Gnarwhal Team Issue | Maxxis Minion FBF, Maxxis Minion FBR |
| Rim | Trek SUNRingle Mulefut 80 SL | XC 80 |
| Headset | FSA IS2 | Specialized Integrated |
| Seatpost | TranzX JD-YSP18 | Specialized 2-bolt Head |
| Saddle | Bontrager Arvada | Specialized Bridge |
| Crankset | not listed | SRAM Stylo Carbon |
| Chainring | not listed | SRAM Stylo |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | XC 80 |
| Hub | not listed | Pro 150, Pro 197 |
| Brake | not listed | SRAM Level TL front, SRAM Level TL rear |
| Rotor | not listed | SRAM Level TL |
| Handlebar | not listed | Riser |
| Stem | not listed | Specialized Trail |
| 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
