2015 Specialized Fatboy vs 2013 Salsa Beargrease
The M is the Salsa Beargrease size closest to your M 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 Salsa Beargrease
Compared with the Specialized Fatboy in M, the Salsa Beargrease in M places the top of the head tube 11 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +11 mm
- Higher front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Fatboy is drawn. The Salsa Beargrease numbers we have for size M are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Fatboy M | Salsa Beargrease M | Difference |
|---|---|---|---|
| Reach | 420mm | 418.2 | −2 mm |
| Stack | 600mm | 611.1 | +11 mm |
| Head tube angle | 70.5° | 69.5 | −1.0° |
| Seat tube angle | 73° | 73 | ±0.0° |
| Effective top tube | 603mm | 605 | +2 mm |
| Chainstay length | 455mm | 455 | ±0 mm |
| Wheelbase | 1105mm | not listed | |
| BB drop | 60mm | 63 | +3 mm |
| BB height | 315mm | not listed | |
| Standover | 793mm | 748.1 | −45 mm |
| Seat tube length | 445mm | not listed | |
| Head tube length | 120mm | not listed | |
| Fork length | not listed | 468 |
Differences are the Salsa Beargrease minus the Specialized Fatboy. Full charts: 2015 Specialized Fatboy, 2013 Salsa Beargrease.
Where each sits in its class
Specialized FatboySalsa Beargrease
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 | Salsa Beargrease |
|---|---|---|
| Shifter | SRAM Grip Shift | not listed |
| Derailleur | SRAM X-7 | not listed |
| Chain | KMC X10L | not listed |
| Crankset | e*thirteen TRS+ | not listed |
| Tire | Specialized Ground Control Fat | not listed |
| Hub | Specialized Hi Lo | not listed |
| Rim | Specialized Fatboy SL | not listed |
| Brake | Tektro Gemini | not listed |
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