2021 Trek Fuel EX Gen 5 vs 2020 Trek Slash
The L is the Trek Slash size closest to your ML Trek Fuel EX Gen 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 Trek Fuel EX Gen 5 in ML, the Trek Slash in L places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 24 mm longer, which can contribute to stability at speed.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- +24 mm
- Longer: steadier at speed
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Only the Trek Fuel EX Gen 5 is drawn. The Trek Slash numbers we have for size L are missing the seat angle.
Geometry side by side
| Measurement | Trek Fuel EX Gen 5 ML | Trek Slash L | Difference |
|---|---|---|---|
| Reach | 460 | 459 | −1 mm |
| Stack | 609 | 618 | +9 mm |
| Head tube angle | 66.5° | 65.6° | −0.9° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 618 | 626 | +8 mm |
| Chainstay length | 436 | 433 | −3 mm |
| Wheelbase | 1195 | 1219 | +24 mm |
| BB drop | 28 | 21 | −7 mm |
| BB height | 346 | 352 | +6 mm |
| Standover | 751 | 770 | +19 mm |
| Seat tube length | 435 | 470 | +35 mm |
| Head tube length | 105 | 110 | +5 mm |
Differences are the Trek Slash minus the Trek Fuel EX Gen 5. Full charts: 2021 Trek Fuel EX Gen 5, 2020 Trek Slash.
Where each sits in its class
Trek Fuel EX Gen 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 | Trek Fuel EX Gen 5 | Trek Slash8 |
|---|---|---|
| Frame | not listed | Trek Alpha Platinum |
| Fork | not listed | RockShox Yari RC |
| Rear shock | not listed | RockShox Deluxe RT3 RE:aktiv |
| Shifter | not listed | SRAM GX Eagle |
| Derailleur | not listed | SRAM GX Eagle |
| Cassette | not listed | SRAM GX Eagle |
| Chain | not listed | SRAM GX Eagle |
| Crankset | not listed | TruVativ Descendant |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Bontrager Line Comp 30 |
| Tire | not listed | Bontrager XR5 |
| 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 |
| Seatpost | not listed | Bontrager Line |
| Saddle | not listed | Bontrager Arvada |
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