2018 Specialized Stumpjumper Comp Alloy 29/6Fattie vs 2017 Specialized Stumpjumper FSR Comp 29
The Specialized Stumpjumper FSR Comp 29 size closest to your L is the L. Compare the L instead
What changes on the Specialized Stumpjumper FSR Comp 29
Compared with the Specialized Stumpjumper Comp Alloy 29/6Fattie in L, the Specialized Stumpjumper FSR Comp 29 in M places the top of the head tube 28 mm lower and 18 mm further back, relative to the bottom bracket. Its wheelbase is 29 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −28 mm
- Lower front end
- Frame reach
- −18 mm
- Shorter frame reach
- Wheelbase
- −29 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 Comp Alloy 29/6Fattie, LSpecialized Stumpjumper FSR Comp 29, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Comp Alloy 29/6Fattie L | Specialized Stumpjumper FSR Comp 29 M | Difference |
|---|---|---|---|
| Reach | 435mm | 417mm | −18 mm |
| Stack | 645mm | 617mm | −28 mm |
| Head tube angle | 67.5° | 67.5° | ±0.0° |
| Seat tube angle | 75° | 75° | ±0.0° |
| Effective top tube | 611mm | 582mm | −29 mm |
| Chainstay length | 437mm | 437mm | ±0 mm |
| Wheelbase | 1172mm | 1143mm | −29 mm |
| BB drop | 36mm | 36mm | ±0 mm |
| BB height | 338mm | not listed | |
| Standover | 766mm | 757mm | −9 mm |
| Seat tube length | 468mm | 430mm | −38 mm |
| Fork length | 551mm | 551mm | ±0 mm |
| Head tube length | not listed | 95mm |
Differences are the Specialized Stumpjumper FSR Comp 29 minus the Specialized Stumpjumper Comp Alloy 29/6Fattie. Full charts: 2018 Specialized Stumpjumper Comp Alloy 29/6Fattie, 2017 Specialized Stumpjumper FSR Comp 29.
Where each sits in its class
Specialized Stumpjumper Comp Alloy 29/6FattieSpecialized Stumpjumper FSR Comp 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 Comp Alloy 29/6FattieComp Alloy 29/6Fattie | Specialized Stumpjumper FSR Comp 29Comp 29 |
|---|---|---|
| Fork | RockShox Reba RL | RockShox Revelation RL |
| Rear shock | RockShox Monarch RT | RockShox Monarch RT |
| Shifter | SRAM GX | SRAM GX |
| Derailleur | SRAM GX | SRAM GX |
| Cassette | SRAM XG-1150 | SRAM XG-1150 |
| Chain | KMC X-11 | SRAM PC-1110 |
| Crankset | Race Face Aeffect | Race Face Aeffect |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher, Specialized Slaughter |
| Rim | Roval Traverse 29 | Roval Traverse 29 |
| Brake | SRAM Guide R | SRAM Guide R |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Henge Comp | Specialized Henge Comp |
| Dropper post | not listed | Specialized Command Post IRcc |
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