2012 Specialized Stumpjumper FSR Expert Carbon 29 vs 2014 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: 2012 Specialized Stumpjumper FSR Expert Carbon 29, 2014 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 Stache6 |
|---|---|---|
| Frame | Specialized FACT IS | Trek Alpha Platinum |
| Fork | Fox F130 RL | RockShox XC32 |
| Rear shock | Fox Brain | not listed |
| Shifter | SRAM X9 | Shimano Deore |
| Derailleur | SRAM X-7, SRAM X.0 | SRAM X-5, Shimano Deore Shadow Plus |
| Cassette | SRAM PG-1050 | Shimano HG62 |
| Chain | KMC X10 | not listed |
| Crankset | SRAM S-2200 | not listed |
| Wheelset | Roval Control | not listed |
| Tire | Specialized Purgatory Control, Specialized Ground Control | Bontrager XR3 |
| Seatpost | Specialized Command Post BlackLite | Bontrager SSR |
| Saddle | Specialized Henge | Bontrager Evoke 1.5 |
| Brake | not listed | Shimano Acera M395 |
| Headset | not listed | FSA NO.57E |
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