2018 Trek Fuel EX 27.5 Plus vs 2019 Specialized Stumpjumper ST Men's Comp Carbon 27.5
The XL is the Specialized Stumpjumper ST Men's Comp Carbon 27.5 size closest to your XXL Trek Fuel EX 27.5 Plus. 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 Comp Carbon 27.5
Compared with the Trek Fuel EX 27.5 Plus in XXL, the Specialized Stumpjumper ST Men's Comp Carbon 27.5 in XL places the top of the head tube 17 mm lower and 12 mm further back, relative to the bottom bracket. Its wheelbase is 17 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −17 mm
- Lower front end
- Frame reach
- −12 mm
- Shorter frame reach
- Wheelbase
- −17 mm
- Shorter: quicker to change direction
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- −1 mm
- About the same
The two frames
Trek Fuel EX 27.5 Plus, XXLSpecialized Stumpjumper ST Men's Comp Carbon 27.5, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Fuel EX 27.5 Plus XXL | Specialized Stumpjumper ST Men's Comp Carbon 27.5 XL | Difference |
|---|---|---|---|
| Reach | 502 | 490mm | −12 mm |
| Stack | 648 | 631mm | −17 mm |
| Head tube angle | 67.2° | 66.5° | −0.7° |
| Seat tube angle | 74.2° | 75.2° | +1.0° |
| Effective top tube | 673 | 657mm | −16 mm |
| Chainstay length | 433 | 432mm | −1 mm |
| Wheelbase | 1251 | 1234mm | −17 mm |
| BB drop | 26 | 28mm | +2 mm |
| BB height | 334 | 325mm | −9 mm |
| Standover | 779 | 766mm | −13 mm |
| Seat tube length | 560 | 505mm | −55 mm |
| Head tube length | 145 | 155mm | +10 mm |
| Fork length | not listed | 522mm |
Differences are the Specialized Stumpjumper ST Men's Comp Carbon 27.5 minus the Trek Fuel EX 27.5 Plus. Full charts: 2018 Trek Fuel EX 27.5 Plus, 2019 Specialized Stumpjumper ST Men's Comp Carbon 27.5.
Where each sits in its class
Trek Fuel EX 27.5 PlusSpecialized Stumpjumper ST Men's Comp Carbon 27.5
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 27.5 Plus5 27.5 Plus | Specialized Stumpjumper ST Men's Comp Carbon 27.5Men's Comp Carbon 27.5 12-speed |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | RockShox Recon | Fox FLOAT 34 Rhythm |
| Shifter | Shimano Deore M6000 | SRAM NX Eagle |
| Derailleur | Shimano Deore M6020, Shimano Deore M6000 | SRAM NX Eagle |
| Cassette | Shimano HG500 | SRAM NX Eagle |
| Chain | KMC X10 | SRAM NX Eagle |
| Bottom bracket | Trek PF92 | SRAM DUB |
| Wheelset | Formula DC511 | not listed |
| Tire | Schwalbe Nobby Nic Performance | Specialized Butcher, Specialized Purgatory |
| Hub | Formula DC-511, Bontrager Boost148 | not listed |
| Rim | Sun Ringlé Duroc 40 SL | Roval Traverse 27.5 |
| Brake | Shimano Acera M315 | SRAM Guide R |
| Stem | Bontrager Rhythm | not listed |
| Headset | Trek Knock Block | not listed |
| Seatpost | Bontrager SSR | X-Fusion Manic |
| Saddle | Bontrager Evoke 1.5 | Specialized Phenom Comp |
| Rear shock | not listed | Fox Float DPS Performance |
| Crankset | not listed | SRAM NX Eagle |
| Grips | not listed | Specialized Sip Grip |
| Dropper post | not listed | X-Fusion Manic |
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