2018 Specialized Stumpjumper ST Men's 27.5 vs 2020 Trek Slash
The M is the Trek Slash size closest to your M Specialized Stumpjumper ST Men's 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 ST Men's 27.5 in M, the Trek Slash in M places the top of the head tube 18 mm higher and 13 mm further back, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +18 mm
- Higher front end
- Frame reach
- −13 mm
- Shorter frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- +1 mm
- About the same
The two frames
Only the Specialized Stumpjumper ST Men's 27.5 is drawn. The Trek Slash numbers we have for size M are missing the seat angle.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's 27.5 M | Trek Slash M | Difference |
|---|---|---|---|
| Reach | 444mm | 431 | −13 mm |
| Stack | 590mm | 608 | +18 mm |
| Head tube angle | 66.5° | 65.6° | −0.9° |
| Seat tube angle | 76° | not listed | |
| Effective top tube | 591mm | 595 | +4 mm |
| Chainstay length | 432mm | 433 | +1 mm |
| Wheelbase | 1170mm | 1186 | +16 mm |
| BB drop | 28mm | 21 | −7 mm |
| BB height | 325mm | 352 | +27 mm |
| Standover | 735mm | 759 | +24 mm |
| Seat tube length | 410mm | 419 | +9 mm |
| Fork length | 522mm | not listed | |
| Head tube length | 110mm | 100 | −10 mm |
Differences are the Trek Slash minus the Specialized Stumpjumper ST Men's 27.5. Full charts: 2018 Specialized Stumpjumper ST Men's 27.5, 2020 Trek Slash.
Where each sits in its class
Specialized Stumpjumper ST Men's 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 ST Men's 27.5Men's S-Works 27.5 | Trek Slash8 |
|---|---|---|
| Fork | Fox FLOAT 34 Factory | RockShox Yari RC |
| Rear shock | Fox Float DPS Factory | RockShox Deluxe RT3 RE:aktiv |
| Shifter | SRAM XX1 Eagle | SRAM GX Eagle |
| Derailleur | SRAM XX1 Eagle | SRAM GX Eagle |
| Cassette | SRAM X01 Eagle | SRAM GX Eagle |
| Chain | SRAM XX1 Eagle | SRAM GX Eagle |
| Crankset | SRAM XX1 Eagle | TruVativ Descendant |
| Tire | Specialized Butcher, Specialized Purgatory | Bontrager XR5 |
| Hub | Roval Traverse | not listed |
| Rim | Roval Traverse SL 29 | not listed |
| Brake | SRAM Guide RSC | SRAM Guide R |
| Stem | Syntace MegaForce 2 | Bontrager Line |
| Grips | Specialized Sip Grip | not listed |
| Seatpost | Specialized Command Post IRcc | Bontrager Line |
| Saddle | Specialized Phenom Expert | Bontrager Arvada |
| Frame | not listed | Trek Alpha Platinum |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Bontrager Line Comp 30 |
| Rotor | not listed | SRAM Guide R |
| Handlebar | not listed | Bontrager Line |
| Headset | not listed | Trek Knock Block |
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
