2018 Specialized Stumpjumper ST Men's Expert 27.5 vs 2018 Specialized Enduro Comp 29/6Fattie
The XL is the Specialized Enduro Comp 29/6Fattie size closest to your XL Specialized Stumpjumper ST Men's Expert 27.5. 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 Enduro Comp 29/6Fattie
Compared with the Specialized Stumpjumper ST Men's Expert 27.5 in XL, the Specialized Enduro Comp 29/6Fattie in XL places the top of the head tube at about the same height and 7 mm further back, relative to the bottom bracket. Its wheelbase is 11 mm longer, which can contribute to stability at speed.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- +11 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +1 mm
- About the same
The two frames
Specialized Stumpjumper ST Men's Expert 27.5, XLSpecialized Enduro Comp 29/6Fattie, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's Expert 27.5 XL | Specialized Enduro Comp 29/6Fattie XL | Difference |
|---|---|---|---|
| Reach | 490mm | 483mm | −7 mm |
| Stack | 631mm | 633mm | +2 mm |
| Head tube angle | 66.5° | 66° | −0.5° |
| Seat tube angle | 75.2° | 76.3° | +1.1° |
| Effective top tube | 657mm | 637mm | −20 mm |
| Chainstay length | 432mm | 433mm | +1 mm |
| Wheelbase | 1234mm | 1245mm | +11 mm |
| BB drop | 28mm | 19mm | −9 mm |
| BB height | 325mm | 354mm | +29 mm |
| Standover | 766mm | 799mm | +33 mm |
| Seat tube length | 505mm | 521mm | +16 mm |
| Fork length | 522mm | 569mm | +47 mm |
| Head tube length | 155mm | 125mm | −30 mm |
Differences are the Specialized Enduro Comp 29/6Fattie minus the Specialized Stumpjumper ST Men's Expert 27.5. Full charts: 2018 Specialized Stumpjumper ST Men's Expert 27.5, 2018 Specialized Enduro Comp 29/6Fattie.
Where each sits in its class
Specialized Stumpjumper ST Men's Expert 27.5Specialized Enduro Comp 29/6Fattie
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 ST Men's Expert 27.5Men's Expert 27.5 | Specialized Enduro Comp 29/6FattieComp 29/6Fattie |
|---|---|---|
| Fork | RockShox Pike RC | RockShox Yari RC 6Fattie |
| Rear shock | RockShox Deluxe RT3 | RockShox Monarch Plus |
| Shifter | SRAM GX Eagle | SRAM GX |
| Derailleur | SRAM GX Eagle | SRAM GX |
| Cassette | SRAM GX Eagle | SRAM XG-1150 |
| Chain | SRAM GX Eagle | KMC X-11 |
| Crankset | TruVativ Descendant | Race Face Aeffect |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher |
| Rim | Roval Traverse | Roval Traverse 29 |
| Brake | SRAM Guide R | SRAM Guide R |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Phenom Comp | Specialized Henge Comp |
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