2013 Trek Fuel EX vs 2012 Specialized Stumpjumper FSR Carbon 26
The M is the Specialized Stumpjumper FSR Carbon 26 size closest to your 18.5" 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 Specialized Stumpjumper FSR Carbon 26
Compared with the Trek Fuel EX in 18.5", the Specialized Stumpjumper FSR Carbon 26 in M places the top of the head tube 19 mm higher and 7 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +19 mm
- Higher front end
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- −8 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Trek Fuel EX, 18.5"Specialized Stumpjumper FSR Carbon 26, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 18.5" | Specialized Stumpjumper FSR Carbon 26 M | Difference |
|---|---|---|---|
| Reach | 431 | 424mm | −7 mm |
| Stack | 568 | 587mm | +19 mm |
| Head tube angle | 68.0° | 68° | ±0.0° |
| Seat tube angle | 68.5° | 70° | +1.5° |
| Effective top tube | 605 | not listed | |
| Chainstay length | 425 | 420mm | −5 mm |
| Wheelbase | 1131 | 1123mm | −8 mm |
| BB drop | 5 | 1mm | −4 mm |
| BB height | 338 | 338mm | ±0 mm |
| Standover | 730 | 744mm | +14 mm |
| Seat tube length | 445 | 430mm | −15 mm |
| Head tube length | 132 | 130mm | −2 mm |
Differences are the Specialized Stumpjumper FSR Carbon 26 minus the Trek Fuel EX. Full charts: 2013 Trek Fuel EX, 2012 Specialized Stumpjumper FSR Carbon 26.
Where each sits in its class
Trek Fuel EXSpecialized Stumpjumper FSR Carbon 26
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 | Specialized Stumpjumper FSR Carbon 26S-Works Carbon 26 |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | RockShox Recon | Specialized Future Shock S140TA |
| Shifter | SRAM X5 | SRAM XX |
| Derailleur | SRAM X-5 | SRAM X.0, SRAM XX XX SL |
| Cassette | SRAM PG-1030 | SRAM XX |
| Crankset | SRAM S800 | not listed |
| Wheelset | Formula DC-20 | Roval Control |
| Tire | Bontrager XR3 | Specialized S-Works Purgatory, Specialized Ground Control |
| Brake | Hayes Dyno Sport | Avid XX World |
| Headset | FSA NO.57SC | not listed |
| Seatpost | Bontrager SSR | Specialized Command Post BlackLite |
| Saddle | Bontrager Evoke 1 | Specialized Henge Expert |
| Rear shock | not listed | Fox Brain |
| Chain | not listed | KMC X10 |
| Hub | not listed | Roval Control SL |
| Stem | not listed | Syntace F109 |
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