2021 Trek Fuel EX Gen 5 vs 2020 Trek Slash
The S is the Trek Slash size closest to your XS 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 XS, the Trek Slash in S places the top of the head tube 49 mm higher and 16 mm further forward, relative to the bottom bracket. Its wheelbase is 52 mm longer, which can contribute to stability at speed.
- Frame stack
- +49 mm
- Higher front end
- Frame reach
- +16 mm
- Longer frame reach
- Wheelbase
- +52 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 S are missing the seat angle.
Geometry side by side
| Measurement | Trek Fuel EX Gen 5 XS | Trek Slash S | Difference |
|---|---|---|---|
| Reach | 400 | 416 | +16 mm |
| Stack | 559 | 608 | +49 mm |
| Head tube angle | 66.5° | 65.6° | −0.9° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 545 | 580 | +35 mm |
| Chainstay length | 436 | 433 | −3 mm |
| Wheelbase | 1119 | 1171 | +52 mm |
| BB drop | 14 | 21 | +7 mm |
| BB height | 341 | 352 | +11 mm |
| Standover | 700 | 746 | +46 mm |
| Seat tube length | 355 | 394 | +39 mm |
| Head tube length | 90 | 100 | +10 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 55 Gen 5 | Trek Slash8 |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Platinum |
| Fork | RockShox Recon | RockShox Yari RC |
| Shifter | Shimano Deore M6100 | SRAM GX Eagle |
| Derailleur | Shimano Deore M6100 | SRAM GX Eagle |
| Cassette | Trek Deore M6100 | SRAM GX Eagle |
| Chain | Shimano Deore | SRAM GX Eagle |
| Crankset | Shimano Deore M511 | TruVativ Descendant |
| Bottom bracket | Shimano MT500 | SRAM DUB |
| Tire | Bontrager XR4 Comp | Bontrager XR5 |
| Hub | Formula DC-511 | not listed |
| Rim | Alex Rims MD35 | not listed |
| Stem | Bontrager Rhythm | Bontrager Line |
| Headset | Trek Knock Block | Trek Knock Block |
| Seatpost | TranzX JD-YSP18 dropper | Bontrager Line |
| Saddle | Bontrager Arvada | Bontrager Arvada |
| Rear shock | not listed | RockShox Deluxe RT3 RE:aktiv |
| Wheelset | not listed | Bontrager Line Comp 30 |
| Brake | not listed | SRAM Guide R |
| Rotor | not listed | SRAM Guide R |
| Handlebar | not listed | Bontrager Line |
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