2015 Specialized Fatboy SL vs 2013 Salsa Beargrease
The M is the Salsa Beargrease size closest to your M Specialized Fatboy SL. 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 SL 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 SL is drawn. The Salsa Beargrease numbers we have for size M are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Fatboy SL 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 SL. Full charts: 2015 Specialized Fatboy SL, 2013 Salsa Beargrease.
Where each sits in its class
Specialized Fatboy SLSalsa 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 Fatboy SLSL | Salsa Beargrease |
|---|---|---|
| Shifter | SRAM XX1 | not listed |
| Derailleur | SRAM XX1 | not listed |
| Cassette | SRAM XX1 | not listed |
| Chain | KMC X11L | not listed |
| Crankset | Race Face Next SL | not listed |
| Tire | Specialized Ground Control Fat | not listed |
| Hub | Specialized Stout XC 135, Specialized Stout XC 190 | not listed |
| Rim | Hed Big Deal | not listed |
| Brake | Magura MT8 | not listed |
| Stem | Specialized Stout XC | not listed |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Phenom Expert | not listed |
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