2018 Specialized Stumpjumper ST Men's 27.5 vs 2018 Specialized Enduro Comp 29/6Fattie
The S is the Specialized Enduro Comp 29/6Fattie size closest to your S Specialized Stumpjumper ST Men's 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 27.5 in S, the Specialized Enduro Comp 29/6Fattie in S places the top of the head tube 20 mm higher and 10 mm further back, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +20 mm
- Higher front end
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- +16 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 27.5, SSpecialized Enduro Comp 29/6Fattie, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's 27.5 S | Specialized Enduro Comp 29/6Fattie S | Difference |
|---|---|---|---|
| Reach | 425mm | 415mm | −10 mm |
| Stack | 586mm | 606mm | +20 mm |
| Head tube angle | 66.5° | 66° | −0.5° |
| Seat tube angle | 76.3° | 76.7° | +0.4° |
| Effective top tube | 568mm | 559mm | −9 mm |
| Chainstay length | 432mm | 433mm | +1 mm |
| Wheelbase | 1149mm | 1165mm | +16 mm |
| BB drop | 28mm | 19mm | −9 mm |
| BB height | 325mm | 354mm | +29 mm |
| Standover | 731mm | 763mm | +32 mm |
| Seat tube length | 380mm | 396mm | +16 mm |
| Fork length | 522mm | 569mm | +47 mm |
| Head tube length | 105mm | 95mm | −10 mm |
Differences are the Specialized Enduro Comp 29/6Fattie minus the Specialized Stumpjumper ST Men's 27.5. Full charts: 2018 Specialized Stumpjumper ST Men's 27.5, 2018 Specialized Enduro Comp 29/6Fattie.
Where each sits in its class
Specialized Stumpjumper ST Men's 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 27.5Men's S-Works 27.5 | Specialized Enduro Comp 29/6FattieComp 29/6Fattie |
|---|---|---|
| Fork | Fox FLOAT 34 Factory | RockShox Yari RC 6Fattie |
| Rear shock | Fox Float DPS Factory | RockShox Monarch Plus |
| Shifter | SRAM XX1 Eagle | SRAM GX |
| Derailleur | SRAM XX1 Eagle | SRAM GX |
| Cassette | SRAM X01 Eagle | SRAM XG-1150 |
| Chain | SRAM XX1 Eagle | KMC X-11 |
| Crankset | SRAM XX1 Eagle | Race Face Aeffect |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher |
| Hub | Roval Traverse | not listed |
| Rim | Roval Traverse SL 29 | Roval Traverse 29 |
| Brake | SRAM Guide RSC | SRAM Guide R |
| Stem | Syntace MegaForce 2 | not listed |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Seatpost | Specialized Command Post IRcc | Specialized Command Post IRcc |
| Saddle | Specialized Phenom Expert | Specialized Henge Comp |
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
