2016 Trek Fuel EX 29 vs 2015 Specialized Stumpjumper FSR EVO 650b
The M is the Specialized Stumpjumper FSR EVO 650b size closest to your L Trek Fuel EX 29. 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 29 in L, the Specialized Stumpjumper FSR EVO 650b in M places the top of the head tube 8 mm higher and 26 mm further back, relative to the bottom bracket. Its wheelbase is 29 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- −26 mm
- Shorter frame reach
- Wheelbase
- −29 mm
- Shorter: quicker to change direction
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- −1 mm
- About the same
The two frames
Trek Fuel EX 29, LSpecialized Stumpjumper FSR EVO 650b, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 29 L | Specialized Stumpjumper FSR EVO 650b M | Difference |
|---|---|---|---|
| Reach | 452 | 426mm | −26 mm |
| Stack | 611 | 619mm | +8 mm |
| Head tube angle | 68.8° | 68° | −0.8° |
| Seat tube angle | 73.6° | 74° | +0.4° |
| Effective top tube | 632 | 595mm | −37 mm |
| Chainstay length | 436 | 435mm | −1 mm |
| Wheelbase | 1166 | 1137mm | −29 mm |
| BB drop | 36 | not listed | |
| BB height | 334 | 327mm | −7 mm |
| Standover | 773 | 729mm | −44 mm |
| Seat tube length | 470 | 430mm | −40 mm |
| Head tube length | 115 | not listed |
Differences are the Specialized Stumpjumper FSR EVO 650b minus the Trek Fuel EX 29. Full charts: 2016 Trek Fuel EX 29, 2015 Specialized Stumpjumper FSR EVO 650b.
Where each sits in its class
Trek Fuel EX 29Specialized 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 295 29 | Specialized Stumpjumper FSR EVO 650bS-Works EVO 650b |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | RockShox Recon | RockShox Pike RCT3 |
| Shifter | SRAM X-5 | SRAM XX1 |
| Derailleur | SRAM X-5, SRAM GX | SRAM XX1 |
| Cassette | SRAM PG 1020 | SRAM XX1 |
| Chain | KMC X10 | SRAM PC-XX1 |
| Bottom bracket | Trek PF89.5 | not listed |
| Tire | Bontrager XR3 | Specialized Butcher Control, Specialized Slaughter Control |
| Hub | Formula DC22 | Roval Traverse |
| Rim | Bontrager AT-650 | Roval Traverse SL Fattie |
| Brake | Shimano Acera M355 | Shimano XTR |
| Headset | FSA IS2 | not listed |
| Seatpost | Bontrager SSR | Specialized Command Post IR |
| Saddle | Bontrager Evoke 1.5 | Specialized Henge Expert |
| Rear shock | not listed | Fox FLOAT CTD Factory |
| Stem | not listed | Syntace F109 |
| Grips | not listed | Specialized Sip Grip |
| Dropper post | not listed | Specialized Command Post IR |
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