2020 Specialized Stumpjumper Comp Alloy 27.5 vs 2020 Trek Slash
The S is the Trek Slash size closest to your M Specialized Stumpjumper Comp Alloy 27.5. 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 Trek Slash
Compared with the Specialized Stumpjumper Comp Alloy 27.5 in M, the Trek Slash in S places the top of the head tube 16 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 14 mm longer, which can contribute to stability at speed.
- Frame stack
- +16 mm
- Higher front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +14 mm
- Longer: steadier at speed
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- +1 mm
- About the same
The two frames
Only the Specialized Stumpjumper Comp Alloy 27.5 is drawn. The Trek Slash numbers we have for size S are missing the seat angle.
Geometry side by side
| Measurement | Specialized Stumpjumper Comp Alloy 27.5 M | Trek Slash S | Difference |
|---|---|---|---|
| Reach | 415mm | 416 | +1 mm |
| Stack | 592mm | 608 | +16 mm |
| Head tube angle | 65.5° | 65.6° | +0.1° |
| Seat tube angle | 75.3° | not listed | |
| Chainstay length | 432mm | 433 | +1 mm |
| Wheelbase | 1157mm | 1171 | +14 mm |
| BB drop | 21mm | 21 | ±0 mm |
| BB height | 336mm | 352 | +16 mm |
| Standover | 752mm | 746 | −6 mm |
| Seat tube length | 380mm | 394 | +14 mm |
| Fork length | 542mm | not listed | |
| Head tube length | 105mm | 100 | −5 mm |
| Effective top tube | not listed | 580 |
Differences are the Trek Slash minus the Specialized Stumpjumper Comp Alloy 27.5. Full charts: 2020 Specialized Stumpjumper Comp Alloy 27.5, 2020 Trek Slash.
Where each sits in its class
Specialized Stumpjumper Comp Alloy 27.5Trek Slash
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 | Trek Slash8 |
|---|---|---|
| Fork | Fox FLOAT Rhythm | RockShox Yari RC |
| Rear shock | Fox Float DPS Performance | RockShox Deluxe RT3 RE:aktiv |
| Shifter | SRAM NX Eagle | SRAM GX Eagle |
| Derailleur | SRAM NX Eagle | SRAM GX Eagle |
| Cassette | SRAM NX Eagle | SRAM GX Eagle |
| Chain | SRAM NX Eagle | SRAM GX Eagle |
| Crankset | SRAM NX Eagle | TruVativ Descendant |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Tire | Specialized Butcher, Specialized Eliminator | Bontrager XR5 |
| Rim | Roval Traverse 27.5 | not listed |
| Grips | Specialized Sip Grip | not listed |
| Seatpost | X-Fusion Manic | Bontrager Line |
| Saddle | Specialized Phenom | Bontrager Arvada |
| Frame | not listed | Trek Alpha Platinum |
| Wheelset | not listed | Bontrager Line Comp 30 |
| Brake | not listed | SRAM Guide R |
| Rotor | not listed | SRAM Guide R |
| Handlebar | not listed | Bontrager Line |
| Stem | not listed | Bontrager Line |
| Headset | not listed | Trek Knock Block |
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