2015
2015 Specialized Fatboy SL
The 2015 Specialized Fatboy SL sits more aggressive than most fat bikes, with a steeper head angle and a longer rear center. Reach 395 to 458 mm, stack 590 to 629 mm. The Fatboy SL build comes with SRAM XX1 shifting and Specialized Ground Control Fat tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Fatboy
- Model year
- 2015
- Frame
- SL
- Type
- Fat
- Geometry labels
- S, M, L, and XL
- Drivetrain
- SRAM XX1
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 395 | 420 | 437 | 458 |
| Stack(mm) | 590 | 600 | 615 | 629 |
| Head tube angle(°) | 70.5 | 70.5 | 70.5 | 70.5 |
| Seat tube angle(°) | 73 | 73 | 73 | 73 |
| Chainstay length(mm) | 455 | 455 | 455 | 455 |
| Wheelbase(mm) | 1083 | 1105 | 1128 | 1154 |
| BB drop(mm) | 60 | 60 | 60 | 60 |
| BB height(mm) | 315 | 315 | 315 | 315 |
| Standover(mm) | 757 | 793 | 820 | 849 |
| Seat tube length(mm) | 394 | 445 | 483 | 533 |
| Head tube length(mm) | 110 | 120 | 135 | 150 |
Stock build
13 parts
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2015 Specialized Fatboy SL?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2015 Specialized Fatboy SL in size L?
- In size L, reach is 437 mm and stack is 615 mm.
- What is the head tube angle of the 2015 Specialized Fatboy SL?
- The head tube angle is 70.5 degrees in every size.
- What does the 2015 Specialized Fatboy SL ship with?
- The stock build includes SRAM XX1, Specialized Ground Control Fat, Magura MT8, and Specialized Stout XC.
- Which years of the Specialized Fatboy are on Quiver?
- Quiver has the Specialized Fatboy for 2015, 2020, 2019, 2018, and 2017.
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