2018 Specialized Stumpjumper Men's Comp Alloy 29 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 Men's Comp Alloy 29 in M, the Specialized Stumpjumper FSR 29 in S places the top of the head tube at about the same height and 39 mm further back, relative to the bottom bracket. Its wheelbase is 49 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- −39 mm
- Shorter frame reach
- Wheelbase
- −49 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper Men's Comp Alloy 29, MSpecialized Stumpjumper FSR 29, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Men's Comp Alloy 29 M | Specialized Stumpjumper FSR 29 S | Difference |
|---|---|---|---|
| Reach | 425mm | 386mm | −39 mm |
| Stack | 619mm | 618mm | −1 mm |
| Head tube angle | 66.5° | 67° | +0.5° |
| Seat tube angle | 74.5° | 74° | −0.5° |
| Effective top tube | 597mm | 563mm | −34 mm |
| Chainstay length | 437mm | 437mm | ±0 mm |
| Wheelbase | 1171mm | 1122mm | −49 mm |
| BB drop | 33mm | 33mm | ±0 mm |
| BB height | 341mm | not listed | |
| Standover | 762mm | 754mm | −8 mm |
| Seat tube length | 410mm | 396mm | −14 mm |
| Fork length | 560mm | 560mm | ±0 mm |
| Head tube length | 100mm | 95mm | −5 mm |
Differences are the Specialized Stumpjumper FSR 29 minus the Specialized Stumpjumper Men's Comp Alloy 29. Full charts: 2018 Specialized Stumpjumper Men's Comp Alloy 29, 2017 Specialized Stumpjumper FSR 29.
Where each sits in its class
Specialized Stumpjumper Men's Comp Alloy 29Specialized 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 Men's Comp Alloy 29Men's Comp Alloy 29 | Specialized Stumpjumper FSR 29S-Works 29 |
|---|---|---|
| Fork | Fox FLOAT 34 Rhythm | Öhlins RXF 36 |
| Rear shock | Fox Float DPS Performance | Öhlins STX |
| Shifter | Shimano SLX | SRAM XX1 Eagle |
| Derailleur | Shimano XT | SRAM XX1 Eagle |
| Cassette | Shimano SLX | SRAM X01 Eagle |
| Chain | KMC X-11 | SRAM XX1 Eagle |
| Crankset | Race Face Aeffect | SRAM XX1 Eagle |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher, Specialized Slaughter |
| Rim | Roval Traverse 29 | Roval Traverse SL 29 |
| Brake | Shimano SLX | SRAM Guide RS |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Dropper post | X-Fusion Manic | Specialized Command Post IRcc |
| Seatpost | X-Fusion Manic | Specialized Command Post IRcc |
| Saddle | Specialized Phenom Comp | Specialized Henge Expert |
| Hub | not listed | Roval Traverse, Roval Traverse SL |
| Stem | not listed | Syntace F109 |
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
