2017 Trek Fuel EX Women's vs 2018 Specialized Stumpjumper 27.5 Frameset
The S is the Specialized Stumpjumper 27.5 Frameset size closest to your S Trek Fuel EX Women's. 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 Specialized Stumpjumper 27.5 Frameset
Compared with the Trek Fuel EX Women's in S, the Specialized Stumpjumper 27.5 Frameset in S places the top of the head tube 15 mm higher and 10 mm further back, relative to the bottom bracket. Its wheelbase is 10 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +15 mm
- Higher front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −10 mm
- Shorter: quicker to change direction
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- −13 mm
- Shorter: livelier
The two frames
Trek Fuel EX Women's, SSpecialized Stumpjumper 27.5 Frameset, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX Women's S | Specialized Stumpjumper 27.5 Frameset S | Difference |
|---|---|---|---|
| Reach | 398 | 388mm | −10 mm |
| Stack | 575 | 590mm | +15 mm |
| Head tube angle | 67.7° | 67° | −0.7° |
| Seat tube angle | 74.2° | 74° | −0.2° |
| Effective top tube | 561 | 558mm | −3 mm |
| Chainstay length | 433 | 420mm | −13 mm |
| Wheelbase | 1106 | 1096mm | −10 mm |
| BB drop | 12 | 18mm | +6 mm |
| BB height | 338 | not listed | |
| Standover | 773 | 742mm | −31 mm |
| Seat tube length | 394 | 396mm | +2 mm |
| Head tube length | 100 | 105mm | +5 mm |
| Fork length | not listed | 542mm |
Differences are the Specialized Stumpjumper 27.5 Frameset minus the Trek Fuel EX Women's. Full charts: 2017 Trek Fuel EX Women's, 2018 Specialized Stumpjumper 27.5 Frameset.
Where each sits in its class
Trek Fuel EX Women'sSpecialized Stumpjumper 27.5 Frameset
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 Women's5 Women's | Specialized Stumpjumper 27.5 FramesetS-Works Frameset |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | RockShox SEKTOR | not listed |
| Shifter | Shimano Deore | not listed |
| Derailleur | Shimano Deore | not listed |
| Cassette | Shimano HG50 | not listed |
| Chain | KMC X10 | not listed |
| Bottom bracket | Trek PF92 | not listed |
| Tire | Bontrager XR3 | not listed |
| Hub | Bontrager Boost148 | not listed |
| Rim | Bontrager AT-650 | not listed |
| Brake | Shimano Acera M315 | not listed |
| Stem | Bontrager Rhythm | not listed |
| Headset | Trek Knock Block | not listed |
| Seatpost | Bontrager SSR | not listed |
| Saddle | Bontrager Evoke 1.5 WSD | not listed |
| Rear shock | not listed | Öhlins STX |
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