2014 Specialized Stumpjumper FSR Expert Carbon 29 vs 2015 Trek Stache
The 15.5 in is the Trek Stache size closest to your S Specialized Stumpjumper FSR Expert Carbon 29. 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 Trek Stache
Compared with the Specialized Stumpjumper FSR Expert Carbon 29 in S, the Trek Stache in 15.5 in places the top of the head tube 5 mm higher and 11 mm further back, relative to the bottom bracket. Its wheelbase is 15 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- −15 mm
- Shorter: quicker to change direction
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Only the Specialized Stumpjumper FSR Expert Carbon 29 is drawn. The Trek Stache numbers we have for size 15.5 in are missing the seat angle.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR Expert Carbon 29 S | Trek Stache 15.5 in | Difference |
|---|---|---|---|
| Reach | 399mm | 388 | −11 mm |
| Stack | 605mm | 610 | +5 mm |
| Head tube angle | 69° | 68.3° | −0.7° |
| Seat tube angle | 69° | not listed | |
| Chainstay length | 450mm | 445 | −5 mm |
| Wheelbase | 1117mm | 1102 | −15 mm |
| BB drop | 34mm | not listed | |
| BB height | 338mm | 316 | −22 mm |
| Standover | 750mm | 760 | +10 mm |
| Seat tube length | 396mm | 368 | −28 mm |
| Head tube length | 90mm | 103 | +13 mm |
| Effective top tube | not listed | 568 |
Differences are the Trek Stache minus the Specialized Stumpjumper FSR Expert Carbon 29. Full charts: 2014 Specialized Stumpjumper FSR Expert Carbon 29, 2015 Trek Stache.
Where each sits in its class
Specialized Stumpjumper FSR Expert Carbon 29Trek Stache
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 FSR Expert Carbon 29Expert Carbon 29 | Trek Stache7 |
|---|---|---|
| Fork | Fox Float CTD 29 Performance | RockShox Recon |
| Rear shock | Fox Brain | not listed |
| Shifter | Shimano SLX | Shimano Deore |
| Derailleur | SRAM X-7, Shimano XTR Shadow Plus | SRAM X-7, Shimano SLX |
| Cassette | SRAM PG-1050 | Shimano HG50 |
| Chain | SRAM 1051 | KMC X10 |
| Crankset | SRAM S-2200 | not listed |
| Wheelset | Roval Control | not listed |
| Tire | Specialized Purgatory Control, Specialized Ground Control | Bontrager XR3 Expert |
| Brake | Shimano XT | Shimano Deore M447 |
| Grips | Specialized Sip Grip | not listed |
| Seatpost | Specialized Command Post IR | not listed |
| Saddle | Specialized Henge | Bontrager Evoke 2 |
| Frame | not listed | Trek Alpha Platinum |
| Rim | not listed | Bontrager Duster Elite |
| Stem | not listed | Bontrager Rhythm |
| Headset | not listed | FSA NO.57E |
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