2021 Trek Fuel EX vs 2020 Trek Slash
The S is the Trek Slash size closest to your S Trek Fuel EX. 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 in S, the Trek Slash in S places the top of the head tube 40 mm higher and 4 mm further back, relative to the bottom bracket. Its wheelbase is 28 mm longer, which can contribute to stability at speed.
- Frame stack
- +40 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +28 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 is drawn. The Trek Slash numbers we have for size S are missing the seat angle.
Geometry side by side
| Measurement | Trek Fuel EX S | Trek Slash S | Difference |
|---|---|---|---|
| Reach | 420 | 416 | −4 mm |
| Stack | 568 | 608 | +40 mm |
| Head tube angle | 66.5° | 65.6° | −0.9° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 567 | 580 | +13 mm |
| Chainstay length | 436 | 433 | −3 mm |
| Wheelbase | 1143 | 1171 | +28 mm |
| BB drop | 14 | 21 | +7 mm |
| BB height | 341 | 352 | +11 mm |
| Standover | 698 | 746 | +48 mm |
| Seat tube length | 395 | 394 | −1 mm |
| Head tube length | 100 | 100 | ±0 mm |
Differences are the Trek Slash minus the Trek Fuel EX. Full charts: 2021 Trek Fuel EX, 2020 Trek Slash.
Where each sits in its class
Trek Fuel EXTrek 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 EX5 Deore | Trek Slash8 |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Platinum |
| Fork | RockShox Recon Silver | RockShox Yari RC |
| Rear shock | X-Fusion Pro 2 | RockShox Deluxe RT3 RE:aktiv |
| Shifter | Shimano Deore XT Di2 | SRAM GX Eagle |
| Derailleur | Shimano Deore | SRAM GX Eagle |
| Cassette | Shimano Deore M6100 | SRAM GX Eagle |
| Crankset | Shimano MT511 | TruVativ Descendant |
| Wheelset | Alex Rims MD35 | Bontrager Line Comp 30 |
| Tire | Bontrager XR4 | Bontrager XR5 |
| Brake | Shimano MT200 | SRAM Guide R |
| Rotor | Shimano SM-RT56 | SRAM Guide R |
| Dropper post | TranzX JD-YSP18 | not listed |
| Chain | not listed | SRAM GX Eagle |
| Bottom bracket | not listed | SRAM DUB |
| 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 |
Know what is on every bike.
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