2017 Trek Fuel EX 9.8 Women's vs 2015 Specialized Stumpjumper FSR EVO 650b
The S is the Specialized Stumpjumper FSR EVO 650b size closest to your XS Trek Fuel EX 9.8 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 FSR EVO 650b
Compared with the Trek Fuel EX 9.8 Women's in XS, the Specialized Stumpjumper FSR EVO 650b in S places the top of the head tube 36 mm higher and 19 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- +36 mm
- Higher front end
- Frame reach
- +19 mm
- Longer frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +2 mm
- About the same
The two frames
Trek Fuel EX 9.8 Women's, XSSpecialized Stumpjumper FSR EVO 650b, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 9.8 Women's XS | Specialized Stumpjumper FSR EVO 650b S | Difference |
|---|---|---|---|
| Reach | 382 | 401mm | +19 mm |
| Stack | 566 | 602mm | +36 mm |
| Head tube angle | 67.7° | 68° | +0.3° |
| Seat tube angle | 74.2° | 74° | −0.2° |
| Effective top tube | 542 | 568mm | +26 mm |
| Chainstay length | 433 | 435mm | +2 mm |
| Wheelbase | 1086 | 1107mm | +21 mm |
| BB drop | 12 | not listed | |
| BB height | 338 | 327mm | −11 mm |
| Standover | 755 | 738mm | −17 mm |
| Seat tube length | 356 | 396mm | +40 mm |
| Head tube length | 90 | not listed |
Differences are the Specialized Stumpjumper FSR EVO 650b minus the Trek Fuel EX 9.8 Women's. Full charts: 2017 Trek Fuel EX 9.8 Women's, 2015 Specialized Stumpjumper FSR EVO 650b.
Where each sits in its class
Trek Fuel EX 9.8 Women'sSpecialized Stumpjumper FSR EVO 650b
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 Women's9.8 Women's | Specialized Stumpjumper FSR EVO 650b |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Fox 34 Float Performance | not listed |
| Shifter | Shimano XT M8000 | not listed |
| Derailleur | Shimano Deore XT | not listed |
| Cassette | Shimano Deore XT | not listed |
| Chain | Shimano Deore XT | not listed |
| Crankset | Shimano Deore XT | not listed |
| Bottom bracket | Trek PF92 | not listed |
| Wheelset | Bontrager Duster Elite | not listed |
| Tire | Bontrager XR3 Team Issue | not listed |
| Brake | Shimano Deore XT | not listed |
| Handlebar | Bontrager Line | not listed |
| Stem | Bontrager Line | not listed |
| Headset | Trek Knock Block | not listed |
| Seatpost | Bontrager Line 125 | not listed |
| Saddle | Bontrager Evoke 3 | not listed |
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