2020 Specialized Stumpjumper Comp Alloy 27.5 vs 2019 Specialized Stumpjumper 27.5 Frameset
The Specialized Stumpjumper 27.5 Frameset size closest to your M is the S. Compare the S instead
What changes on the Specialized Stumpjumper 27.5 Frameset
Compared with the Specialized Stumpjumper Comp Alloy 27.5 in M, the Specialized Stumpjumper 27.5 Frameset in M places the top of the head tube 4 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 22 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- +20 mm
- Longer frame reach
- Wheelbase
- +22 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Stumpjumper Comp Alloy 27.5, MSpecialized Stumpjumper 27.5 Frameset, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Comp Alloy 27.5 M | Specialized Stumpjumper 27.5 Frameset M | Difference |
|---|---|---|---|
| Reach | 415mm | 435mm | +20 mm |
| Stack | 592mm | 596mm | +4 mm |
| Head tube angle | 65.5° | 65.5° | ±0.0° |
| Seat tube angle | 75.3° | 75° | −0.3° |
| Chainstay length | 432mm | 432mm | ±0 mm |
| Wheelbase | 1157mm | 1179mm | +22 mm |
| BB drop | 21mm | 21mm | ±0 mm |
| BB height | 336mm | 336mm | ±0 mm |
| Standover | 752mm | 743mm | −9 mm |
| Seat tube length | 380mm | 410mm | +30 mm |
| Fork length | 542mm | 542mm | ±0 mm |
| Head tube length | 105mm | 110mm | +5 mm |
| Effective top tube | not listed | 595mm |
Differences are the Specialized Stumpjumper 27.5 Frameset minus the Specialized Stumpjumper Comp Alloy 27.5. Full charts: 2020 Specialized Stumpjumper Comp Alloy 27.5, 2019 Specialized Stumpjumper 27.5 Frameset.
Where each sits in its class
Specialized Stumpjumper Comp Alloy 27.5Specialized Stumpjumper 27.5 Frameset
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 27.5Comp Alloy 27.5 | Specialized Stumpjumper 27.5 FramesetS-Works Frameset |
|---|---|---|
| Fork | Fox FLOAT Rhythm | not listed |
| Rear shock | Fox Float DPS Performance | Fox Float DPX2 Factory |
| Shifter | SRAM NX Eagle | not listed |
| Derailleur | SRAM NX Eagle | not listed |
| Cassette | SRAM NX Eagle | not listed |
| Chain | SRAM NX Eagle | not listed |
| Crankset | SRAM NX Eagle | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher, Specialized Eliminator | not listed |
| Rim | Roval Traverse 27.5 | not listed |
| Grips | Specialized Sip Grip | not listed |
| Seatpost | X-Fusion Manic | not listed |
| Saddle | Specialized Phenom | not listed |
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