2016 Trek Fuel EX 9.8 29 vs 2015 Specialized Stumpjumper FSR EVO 650b
The M is the Specialized Stumpjumper FSR EVO 650b size closest to your ML Trek Fuel EX 9.8 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 9.8 29 in ML, the Specialized Stumpjumper FSR EVO 650b in M places the top of the head tube 8 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 14 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −14 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 9.8 29, MLSpecialized Stumpjumper FSR EVO 650b, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 9.8 29 ML | Specialized Stumpjumper FSR EVO 650b M | Difference |
|---|---|---|---|
| Reach | 437 | 426mm | −11 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 | 617 | not listed | |
| Chainstay length | 436 | 435mm | −1 mm |
| Wheelbase | 1151 | 1137mm | −14 mm |
| BB drop | 36 | not listed | |
| BB height | 334 | 327mm | −7 mm |
| Standover | 780 | 729mm | −51 mm |
| Seat tube length | 445 | 430mm | −15 mm |
| Head tube length | 115 | not listed |
Differences are the Specialized Stumpjumper FSR EVO 650b minus the Trek Fuel EX 9.8 29. Full charts: 2016 Trek Fuel EX 9.8 29, 2015 Specialized Stumpjumper FSR EVO 650b.
Where each sits in its class
Trek Fuel EX 9.8 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 9.8 299.8 29 | Specialized Stumpjumper FSR EVO 650bS-Works EVO 650b |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Fox 34 Float Performance | RockShox Pike RCT3 |
| Shifter | Shimano Deore XT | SRAM XX1 |
| Derailleur | Shimano Deore XT | SRAM XX1 |
| Cassette | Shimano Deore XT | SRAM XX1 |
| Chain | Shimano XT | SRAM PC-XX1 |
| Crankset | Shimano Deore XT | not listed |
| Bottom bracket | Trek PF92 | not listed |
| Wheelset | DT Swiss M1900 | not listed |
| Tire | Bontrager XR3 Team Issue | Specialized Butcher Control, Specialized Slaughter Control |
| Brake | Shimano Deore XT | Shimano XTR |
| Handlebar | Bontrager Rhythm | not listed |
| Stem | Bontrager Rhythm | Syntace F109 |
| Headset | FSA IS2 | not listed |
| Seatpost | RockShox Reverb Stealth | Specialized Command Post IR |
| Saddle | Bontrager Evoke 3 | Specialized Henge Expert |
| Rear shock | not listed | Fox Float CTD Factory |
| Hub | not listed | Roval Traverse |
| Rim | not listed | Roval Traverse SL Fattie |
| Grips | not listed | Specialized Sip Grip |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



