2014 Specialized Stumpjumper FSR Expert Carbon 29 vs 2015 Trek Stache
The 23 in is the Trek Stache size closest to your XL 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 XL, the Trek Stache in 23 in places the top of the head tube 31 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 22 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −31 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −22 mm
- Shorter: quicker to change direction
- Head angle
- −0.4°
- 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 23 in are missing the seat angle.
Geometry side by side
| Measurement | Specialized Stumpjumper FSR Expert Carbon 29 XL | Trek Stache 23 in | Difference |
|---|---|---|---|
| Reach | 466mm | 464 | −2 mm |
| Stack | 656mm | 625 | −31 mm |
| Head tube angle | 69° | 68.6° | −0.4° |
| Seat tube angle | 70.3° | not listed | |
| Chainstay length | 450mm | 445 | −5 mm |
| Wheelbase | 1203mm | 1181 | −22 mm |
| BB drop | 34mm | not listed | |
| BB height | 338mm | 316 | −22 mm |
| Standover | 764mm | 844 | +80 mm |
| Seat tube length | 523mm | 545 | +22 mm |
| Head tube length | 145mm | 118 | −27 mm |
| Effective top tube | not listed | 661 |
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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