2012 Specialized Stumpjumper FSR Carbon 26 vs 2014 Trek Fuel EX
The 21.5" is the Trek Fuel EX size closest to your L Specialized Stumpjumper FSR Carbon 26. 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 Fuel EX
Compared with the Specialized Stumpjumper FSR Carbon 26 in L, the Trek Fuel EX in 21.5" places the top of the head tube 6 mm lower and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Stumpjumper FSR Carbon 26, LTrek Fuel EX, 21.5"Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR Carbon 26 L | Trek Fuel EX 21.5" | Difference |
|---|---|---|---|
| Reach | 452mm | 467 | +15 mm |
| Stack | 597mm | 591 | −6 mm |
| Head tube angle | 68° | 68.0° | ±0.0° |
| Seat tube angle | 70° | 68.5° | −1.5° |
| Chainstay length | 420mm | 425 | +5 mm |
| Wheelbase | 1155mm | 1176 | +21 mm |
| BB drop | 1mm | 5 | +4 mm |
| BB height | 338mm | 338 | ±0 mm |
| Standover | 752mm | 742 | −10 mm |
| Seat tube length | 468mm | 508 | +40 mm |
| Head tube length | 140mm | 157 | +17 mm |
| Effective top tube | not listed | 648 |
Differences are the Trek Fuel EX minus the Specialized Stumpjumper FSR Carbon 26. Full charts: 2012 Specialized Stumpjumper FSR Carbon 26, 2014 Trek Fuel EX.
Where each sits in its class
Specialized Stumpjumper FSR Carbon 26Trek Fuel EX
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 | Specialized Stumpjumper FSR Carbon 26S-Works Carbon 26 | Trek Fuel EX6 |
|---|---|---|
| Fork | Specialized Future Shock S140TA | RockShox SEKTOR |
| Rear shock | Fox Brain | not listed |
| Shifter | SRAM XX | Shimano Deore |
| Derailleur | SRAM X.0, SRAM XX XX SL | Shimano Deore, Shimano SLX Shadow |
| Cassette | SRAM XX | Shimano HG62 |
| Chain | KMC X10 | not listed |
| Wheelset | Roval Control | Formula DC51 |
| Tire | Specialized S-Works Purgatory, Specialized Ground Control | Bontrager XR3 |
| Hub | Roval Control SL | not listed |
| Brake | Avid XX World | Avid Elixir 3 |
| Stem | Syntace F109 | not listed |
| Seatpost | Specialized Command Post BlackLite | Bontrager SSR |
| Saddle | Specialized Henge Expert | Bontrager Evoke 1 |
| Frame | not listed | Trek Alpha Platinum |
| Crankset | not listed | Shimano Deore M522 |
| Headset | not listed | FSA NO.57SC |
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