2018 Specialized Stumpjumper Comp Alloy 29/6Fattie vs 2017 Specialized Stumpjumper FSR Comp 29
The XXL is the Specialized Stumpjumper FSR Comp 29 size closest to your XXL Specialized Stumpjumper Comp Alloy 29/6Fattie. 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 Specialized Stumpjumper FSR Comp 29
Compared with the Specialized Stumpjumper Comp Alloy 29/6Fattie in XXL, the Specialized Stumpjumper FSR Comp 29 in XXL places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper Comp Alloy 29/6Fattie, XXLSpecialized Stumpjumper FSR Comp 29, XXLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Comp Alloy 29/6Fattie XXL | Specialized Stumpjumper FSR Comp 29 XXL | Difference |
|---|---|---|---|
| Reach | 477mm | 477mm | ±0 mm |
| Stack | 686mm | 686mm | ±0 mm |
| Head tube angle | 67.5° | 67.5° | ±0.0° |
| Seat tube angle | 75° | 74° | −1.0° |
| Effective top tube | 674mm | 674mm | ±0 mm |
| Chainstay length | 437mm | 437mm | ±0 mm |
| Wheelbase | 1232mm | 1232mm | ±0 mm |
| BB drop | 36mm | 36mm | ±0 mm |
| BB height | 338mm | not listed | |
| Standover | 778mm | 778mm | ±0 mm |
| Seat tube length | 564mm | 564mm | ±0 mm |
| Fork length | 551mm | 551mm | ±0 mm |
| Head tube length | 95mm | 170mm | +75 mm |
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 |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
