2018 Specialized Stumpjumper 29/6Fattie vs 2017 Specialized Stumpjumper FSR 29
The Specialized Stumpjumper FSR 29 size closest to your M is the M. Compare the M instead
What changes on the Specialized Stumpjumper FSR 29
Compared with the Specialized Stumpjumper 29/6Fattie in M, the Specialized Stumpjumper FSR 29 in S places the top of the head tube at about the same height and 27 mm further back, relative to the bottom bracket. Its wheelbase is 27 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −27 mm
- Shorter frame reach
- Wheelbase
- −27 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper 29/6Fattie, MSpecialized Stumpjumper FSR 29, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 29/6Fattie M | Specialized Stumpjumper FSR 29 S | Difference |
|---|---|---|---|
| Reach | 413mm | 386mm | −27 mm |
| Stack | 618mm | 618mm | ±0 mm |
| Head tube angle | 67° | 67° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 590mm | 563mm | −27 mm |
| Chainstay length | 437mm | 437mm | ±0 mm |
| Wheelbase | 1149mm | 1122mm | −27 mm |
| BB drop | 33mm | 33mm | ±0 mm |
| BB height | 338mm | not listed | |
| Standover | 761mm | 754mm | −7 mm |
| Seat tube length | 430mm | 396mm | −34 mm |
| Fork length | 560mm | 560mm | ±0 mm |
| Head tube length | not listed | 95mm |
Differences are the Specialized Stumpjumper FSR 29 minus the Specialized Stumpjumper 29/6Fattie. Full charts: 2018 Specialized Stumpjumper 29/6Fattie, 2017 Specialized Stumpjumper FSR 29.
Where each sits in its class
Specialized Stumpjumper 29/6FattieSpecialized Stumpjumper FSR 29
Each bike is ranked against the other trail 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 Stumpjumper 29/6FattieS-Works 29/6Fattie | Specialized Stumpjumper FSR 29S-Works 29 |
|---|---|---|
| Fork | Öhlins RXF 36 | Öhlins RXF 36 |
| Rear shock | Öhlins STX | Öhlins STX |
| Shifter | SRAM XX1 Eagle | SRAM XX1 Eagle |
| Derailleur | SRAM XX1 Eagle | SRAM XX1 Eagle |
| Cassette | SRAM X01 Eagle | SRAM X01 Eagle |
| Chain | SRAM XX1 Eagle | SRAM XX1 Eagle |
| Crankset | SRAM XX1 Eagle | SRAM XX1 Eagle |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher, Specialized Slaughter |
| Hub | Roval Traverse SL | Roval Traverse, Roval Traverse SL |
| Rim | Roval Traverse SL 29 | Roval Traverse SL 29 |
| Brake | SRAM Guide RS | SRAM Guide RS |
| Stem | Syntace F109 | Syntace F109 |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Henge Expert | Specialized Henge Expert |
| Dropper post | not listed | Specialized Command Post IRcc |
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