2018 Trek Fuel EX 9.8 27.5 Plus vs 2020 Trek Slash
The ML is the Trek Slash size closest to your ML Trek Fuel EX 9.8 27.5 Plus. 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 Trek Fuel EX 9.8 27.5 Plus in ML, the Trek Slash in ML places the top of the head tube 6 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 26 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +26 mm
- Longer: steadier at speed
- Head angle
- −1.6°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Trek Fuel EX 9.8 27.5 Plus is drawn. The Trek Slash numbers we have for size ML are missing the seat angle.
Geometry side by side
| Measurement | Trek Fuel EX 9.8 27.5 Plus ML | Trek Slash ML | Difference |
|---|---|---|---|
| Reach | 445 | 446 | +1 mm |
| Stack | 607 | 613 | +6 mm |
| Head tube angle | 67.2° | 65.6° | −1.6° |
| Seat tube angle | 74.2° | not listed | |
| Effective top tube | 597 | 611 | +14 mm |
| Chainstay length | 433 | 433 | ±0 mm |
| Wheelbase | 1177 | 1203 | +26 mm |
| BB drop | 26 | 21 | −5 mm |
| BB height | 334 | 352 | +18 mm |
| Standover | 728 | 765 | +37 mm |
| Seat tube length | 440 | 445 | +5 mm |
| Head tube length | 100 | 105 | +5 mm |
Differences are the Trek Slash minus the Trek Fuel EX 9.8 27.5 Plus. Full charts: 2018 Trek Fuel EX 9.8 27.5 Plus, 2020 Trek Slash.
Where each sits in its class
Trek Fuel EX 9.8 27.5 PlusTrek 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 | Trek Fuel EX 9.8 27.5 Plus9.8 27.5 Plus | Trek Slash8 |
|---|---|---|
| Frame | Trek OCLV | Trek Alpha Platinum |
| Fork | Fox 34 Float Performance | RockShox Yari RC |
| Shifter | SRAM GX Eagle | SRAM GX Eagle |
| Derailleur | SRAM GX Eagle | SRAM GX Eagle |
| Cassette | SRAM GX Eagle | SRAM GX Eagle |
| Chain | SRAM GX Eagle | SRAM GX Eagle |
| Crankset | SRAM Descendant | TruVativ Descendant |
| Bottom bracket | Trek PF92 | SRAM DUB |
| Wheelset | DT Swiss M1900 | Bontrager Line Comp 30 |
| Tire | Schwalbe Nobby Nic Performance | Bontrager XR5 |
| Brake | SRAM Guide RS | SRAM Guide R |
| Handlebar | Bontrager Line | Bontrager Line |
| Stem | Bontrager Line | Bontrager Line |
| Headset | Trek Knock Block | Trek Knock Block |
| Seatpost | Bontrager Line | Bontrager Line |
| Saddle | Bontrager Evoke 3 | Bontrager Arvada |
| Rear shock | not listed | RockShox Deluxe RT3 RE:aktiv |
| Rotor | not listed | SRAM Guide R |
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