2018
2018 Specialized Stumpjumper Expert 29/6Fattie
The 2018 Specialized Stumpjumper Expert 29/6Fattie sits at the upright end of the range for a trail bike, with a longer rear center. Reach 386 to 457 mm, stack 618 to 664 mm. The Stumpjumper Expert 29/6Fattie build comes with SRAM GX Eagle shifting and Specialized Purgatory tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Stumpjumper
- Model year
- 2018
- Frame
- Expert 29/6Fattie
- Type
- Trail
- Geometry labels
- S, M, L, and XL
- Drivetrain
- SRAM GX Eagle
- Rear shock
- RockShox Monarch RT3
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Things to know
Compared with other trail bikes on frame geometry alone.
- More stack relative to reach than 9 in 10 trail bikes: stack-to-reach ratio is 1.50, compared with 1.37 for this group.
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 386 | 413 | 431 | 457 |
| Stack(mm) | 618 | 618 | 646 | 664 |
| Head tube angle(°) | 67 | 67 | 67 | 67 |
| Seat tube angle(°) | 74 | 74 | 74 | 74 |
| Chainstay length(mm) | 437 | 437 | 437 | 437 |
| Wheelbase(mm) | 1122 | 1149 | 1179 | 1212 |
| BB drop(mm) | 33 | 33 | 33 | 33 |
| BB height(mm) | 338 | 338 | 338 | 338 |
| Standover(mm) | 754 | 761 | 770 | 777 |
| Seat tube length(mm) | 396 | 430 | 468 | 523 |
| Fork length(mm) | 560 | 560 | 560 | 560 |
| Head tube length(mm) | 125 | 145 | 95 | 95 |
✓Sources agree
Stock build
13 parts
Suspension
Drivetrain
Wheels & Tires
Cockpit
Seatpost & Saddle
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✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2018 Specialized Stumpjumper Expert 29/6Fattie?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2018 Specialized Stumpjumper Expert 29/6Fattie in size L?
- In size L, reach is 431 mm and stack is 646 mm.
- What is the head tube angle of the 2018 Specialized Stumpjumper Expert 29/6Fattie?
- The head tube angle is 67 degrees in every size.
- What does the 2018 Specialized Stumpjumper Expert 29/6Fattie ship with?
- The stock build includes Fox 29/6Fattie Performance, SRAM GX Eagle, Specialized Purgatory, and Specialized Sip Grip.
- Which years of the Specialized Stumpjumper are on Quiver?
- Quiver has the Specialized Stumpjumper for 2018, 2024, 2023, 2022, 2021, 2020, 2019, 2016, 2015, 2014, 2012, 2011, 2010, 2009, 2008, 2007, and 2006.
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