2018 Specialized Stumpjumper ST Men's Alloy 27.5 vs 2018 Specialized Enduro Comp 29/6Fattie
The M is the Specialized Enduro Comp 29/6Fattie size closest to your M Specialized Stumpjumper ST Men's Alloy 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 Alloy 27.5 in M, the Specialized Enduro Comp 29/6Fattie in M places the top of the head tube 16 mm higher and 4 mm further back, relative to the bottom bracket. Its wheelbase is 20 mm longer, which can contribute to stability at speed.
- Frame stack
- +16 mm
- Higher front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- +20 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 Alloy 27.5, MSpecialized Enduro Comp 29/6Fattie, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Men's Alloy 27.5 M | Specialized Enduro Comp 29/6Fattie M | Difference |
|---|---|---|---|
| Reach | 444mm | 440mm | −4 mm |
| Stack | 590mm | 606mm | +16 mm |
| Head tube angle | 66.5° | 66° | −0.5° |
| Seat tube angle | 76° | 76.7° | +0.7° |
| Effective top tube | 591mm | 584mm | −7 mm |
| Chainstay length | 432mm | 433mm | +1 mm |
| Wheelbase | 1170mm | 1190mm | +20 mm |
| BB drop | 28mm | 19mm | −9 mm |
| BB height | 325mm | 354mm | +29 mm |
| Standover | 749mm | 769mm | +20 mm |
| Seat tube length | 410mm | 430mm | +20 mm |
| Fork length | 522mm | 569mm | +47 mm |
| Head tube length | 110mm | 95mm | −15 mm |
Differences are the Specialized Enduro Comp 29/6Fattie minus the Specialized Stumpjumper ST Men's Alloy 27.5. Full charts: 2018 Specialized Stumpjumper ST Men's Alloy 27.5, 2018 Specialized Enduro Comp 29/6Fattie.
Where each sits in its class
Specialized Stumpjumper ST Men's Alloy 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 Alloy 27.5Men's Alloy 27.5 | Specialized Enduro Comp 29/6FattieComp 29/6Fattie |
|---|---|---|
| Fork | RockShox Recon RL | RockShox Yari RC 6Fattie |
| Rear shock | X-Fusion Pro RL | RockShox Monarch Plus |
| Shifter | Shimano SLX | SRAM GX |
| Derailleur | Shimano SLX | SRAM GX |
| Chain | KMC X-11 | KMC X-11 |
| Crankset | SRAM NX | Race Face Aeffect |
| Bottom bracket | SRAM Power | not listed |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher |
| Brake | Tektro Gemini Comp | SRAM Guide R |
| Grips | Specialized Sip Grip | Specialized Sip Grip |
| Saddle | Specialized Henge Sport | Specialized Henge Comp |
| Cassette | not listed | SRAM XG-1150 |
| Rim | not listed | Roval Traverse 29 |
| Seatpost | not listed | Specialized Command Post IRcc |
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