2016 Trek Fuel EX 29 Alloy Frameset vs 2018 Specialized Stumpjumper ST Men's 29
The XL is the Specialized Stumpjumper ST Men's 29 size closest to your XXL Trek Fuel EX 29 Alloy Frameset. 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 ST Men's 29
Compared with the Trek Fuel EX 29 Alloy Frameset in XXL, the Specialized Stumpjumper ST Men's 29 in XL places the top of the head tube 10 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −1.3°
- Slacker: calmer steering
- Chainstays
- +1 mm
- About the same
The two frames
Trek Fuel EX 29 Alloy Frameset, XXLSpecialized Stumpjumper ST Men's 29, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 29 Alloy Frameset XXL | Specialized Stumpjumper ST Men's 29 XL | Difference |
|---|---|---|---|
| Reach | 480 | 480mm | ±0 mm |
| Stack | 639 | 649mm | +10 mm |
| Head tube angle | 68.8° | 67.5° | −1.3° |
| Seat tube angle | 73.6° | 74.7° | +1.1° |
| Effective top tube | 668 | 657mm | −11 mm |
| Chainstay length | 436 | 437mm | +1 mm |
| Wheelbase | 1205 | 1223mm | +18 mm |
| BB drop | 36 | 39mm | +3 mm |
| BB height | 334 | 333mm | −1 mm |
| Standover | 784 | 768mm | −16 mm |
| Seat tube length | 559 | 505mm | −54 mm |
| Head tube length | 145 | 140mm | −5 mm |
| Fork length | not listed | 540mm |
Differences are the Specialized Stumpjumper ST Men's 29 minus the Trek Fuel EX 29 Alloy Frameset. Full charts: 2016 Trek Fuel EX 29 Alloy Frameset, 2018 Specialized Stumpjumper ST Men's 29.
Where each sits in its class
Trek Fuel EX 29 Alloy FramesetSpecialized Stumpjumper ST Men's 29
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 29 Alloy Frameset29 Alloy Frameset | Specialized Stumpjumper ST Men's 29Men's S-Works 29 |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Headset | FSA IS2 | not listed |
| Fork | not listed | Fox FLOAT 34 Factory |
| Rear shock | not listed | Fox Float DPS Factory |
| Shifter | not listed | SRAM XX1 Eagle |
| Derailleur | not listed | SRAM XX1 Eagle |
| Cassette | not listed | SRAM X01 Eagle |
| Chain | not listed | SRAM XX1 Eagle |
| Crankset | not listed | SRAM XX1 Eagle |
| Tire | not listed | Specialized Butcher, Specialized Purgatory |
| Hub | not listed | Roval Traverse |
| Rim | not listed | Roval Traverse SL 29 |
| Brake | not listed | SRAM Guide RSC |
| Stem | not listed | Syntace MegaForce 2 |
| Grips | not listed | Specialized Sip Grip |
| Seatpost | not listed | Specialized Command Post IRcc |
| Saddle | not listed | Specialized Phenom Expert |
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